They could look at it the other way, that having City win title after title despite everyone knowing they’re financial frauds is far more damaging to the image of the PL.
We know the PL favours historically big clubs, and City not being one of them means they don’t have that status or aura to protect them

Lukaku, Sancho, Antony are all contenders

I see what you’re saying but the reality is that some fixtures genuinely are bigger and more important.
You’re allowed to dislike that but it’s still true.
A referee with such a controversial history simply shouldn’t be in charge for this game because then it adds more fuel to the fire as far as corruption and incompetence goes.
If he makes a bad call or a dubious decision that impacts the game that’s all anyone will talk about