This. Just this! Even forgetting about remakes, the problem is this
Ocean's quality is way above the desired levels. Like if great quality is a 9, Ocean is going for 12. Look at his last post "hey immersion is important so I need 30+ characters but that is why it is taking longer to do this scene". If, after getting a monster machine you are having problem putting 30+ people, DON'T PUT 30 people it in. Almost everyone would tell you after the 20s one the marginal effect of adding another has strong diminishing effects on player's impact but huge effect on production cost.
In fact, we can analyze it with math
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Math makes everything more pretty.
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Yeah, the thing is, if Ocean wants to play around with having 30+ characters at the same time; I'd be fine with - well, with one essential condition, that he finish the original VN first 100%, with 20 characters as the limit.
Cause how many would genuinely care whether if it's the 30 or 20 characters?
I'd say almost everyone (if not literally everyone) won't care.
In fact, people will only get more wary about the impact this will have on his production speed.
While I don't have a problem with him getting monster machines (devs upgrade their PC/GPU, though I'm not sure anyone who does it as frequently as Ocean), what I wish to see is him making these purchases influencing his speed of development and the quantity of renders these new PCs of his are generating increasing.
He's already hit a ceiling in terms of quality, and with PC tech obviously always being outdated, the whole constant remake or increase in detail that temptation will increase.
I mean, it's comparison of 20 vs 30 characters on screen at once now. If in a year from now, he gets another monster PC will he be attempting to put in 50 characters?

It's basically trying to reach a ceiling which is constantly getting higher and higher.
And with remakes/remasters, why bother to go in constant remake cycle if by the time he finish SG (or WIAB, whichever comes first in completion), he's not happy with it and just redoes the entire game with his newest PC with mega GPU at time?
All the constant remake/changes cycle would have been just a big waste of time which could have been much better spent elsewhere.
In essence, Ocean needs to dial down his Quality control a bit & instead dial up on his speed & quantity.
And yes, math makes everything pretty, heh.