Well, about a Week ago I started a thread there to determine if people want these Bonus drops with a sucky RTP or if they just want a normal RTP on original games without the "feeding" mode turned on..... and it was deleted. (I started a Poll on Strawpoll to see what people want)
Are you referring on the forum on stake? Maybe some of the mods find your thread offensive so they just delete it right away. I think mods don't have an idea if the RTP's are altered or not but they will mostly be biased and protect the casino that they are working for because this pays them.
Why not post the same thread on our forum bitcointalk? Mods here are more kind and won't delete threads like that. They don't even delete threads which are scammy and too offensive but they only want to see what other members think of it. As for your question, I only prefer original games and I just play normally without chasing those bonuses because I know that I will lose more in the process.