The trouble is that, in opting for others, McClennan accentuated the problem. Jerome Ropati, before last night's match against the Titans, has seemed rusty and suspect on defence.
There must be even a faint question mark over whether Ropati can come back to his former, very good, level after so long out with a serious injury.
Youngster Konrad Hurrell came along with a mass of media hype but was last night relegated to the bench against the Titans.
In McClennan's worst selection mistake so far, he pulled another promising youngster - Ben Henry - into the centres for the season-opener against Manly, where he ended up marking the tough-as-teak Kiwi centre Steve Matai.
When Matai scored his try, he shrugged the rookie off like dandruff.
It looked like a case of a coach being too clever. But McClennan had to do something about the defensive leaks that were occurring - and Inu wasn't even on the bench that day.
Inu has a knack for persuading his coaches to lose confidence in him.
At various times, factors like being too casual in his approach; drifting out of games inexplicably; being a lazy trainer; and not responding to motivational emphases have all been held up to explain Inu's all-too-often absences.
However, while some or all those factors may have contributed, for my money Inu is simply regarded as too risky.
Coaches, particularly in a structured game like rugby league, are loath to leave their fortunes hanging on a bloke who may win them one match - but cost them the next two.
Cleary, perhaps the coach most in this vein, perservered with Inu from rounds 2-15 last year, playing him mostly on the wing.
He moved him into the centres just in time for a hiding from the Cowboys and then dropped Inu like a hot rock.
He returned only in round 25 when Manu Vatuvei was injured and typically, infuriatingly, played really well to end the Tigers' season in the Warriors' march to the grand final.
Yet he was only selected for that match because the now-departed Joel Moon was injured. With all due respect to Moon, he had as much of Inu's ability as Nick Smith now has ministerial letterhead.
At the same time as Inu's heroics against the Tigers were occurring, this newspaper ran a story from Sydney that the Warriors were touting Inu around for sale.
The club denied it at the time - but the story sprang from sources who were sitting at a table when an Inu conversation was held.
Whether no one wanted him or whether it never happened doesn't really matter.
The point is that Inu is an undeniable talent but his inability to consistently express that ability saw him shown the door at the Eels and curtailed his international career.
There is talk the Warriors will offload him when his contract runs out next year (if not sooner).
After all, if Sydney's Sunday Telegraph is correct in their contention that Inu is earning about A$250,000 a year at the Warriors, that is one expensive Vulcan.
There remains a suspicion that Inu may not have the mental attitude and toughness needed to succeed.
Some point to his failure to front up for the last Kiwis campaign at the end of last year after unavailability for "personal reasons".
We still don't know what they were - whether family issues or religious obligations (Inu is a Mormon) or whatever.
But it added to the enigma that is Inu.
Many think that if he hasn't responded to the likes of Anderson, Cleary and McClennan, he may well be uncoachable.
I don't buy that. Inu is still only 25. He is brilliant in the air, a try-scorer, an unpredictable runner with good hands and a solid defence.
He can also have an exploding head and judgement that neatly sidesteps common sense and sprints straight for ridicule.
McClennan inherited him rather than handpicked him. But that just adds to the challenge, surely - and maybe that's what McClennan is doing by leaving Inu out.
"Bluey" is renowned as a motivator and, while his faith in the likes of Hurrell and Henry might well pay dividends in the long run, he has a considerable, match-winning asset running round for the Vulcans right now, earning plenty.
It's a coaching job. Take Inu and turn him into what the Warriors need.
Either that or sell him. Call me a hopeless optimist, but I think it will be the former and that Krisnan Inu's work for the Warriors is not yet done.
