What About Suggestions For Cheats To Add To Already Existing Trainers?

So suggestions for a new trainer are never taken

What about cheat suggestions for already existing trainers? Because there are some trainers which are a bit lacking

I know not every cheat is possible, so what about a list of cheats which are proven to be impossible to create for a game, which would be located at the bottom of the list of cheats on the trainer’s discussion page