Presenting the possibility to tip on the screen is ok, I think. The tone (and from my European perspective the percentages) is, what I find weird.
“Magic & Mayhem” - https://www.bestoldgames.net/de/magic-and-mayhem
Hehe, dumb frog.
Even if you go with the “acceptable” part of that whole thing it’s still shady.
It’s one thing to boycott ads as an individual user (and to “steal” ad revenue from websites) but a completely different thing if you run an external service that steals (without quotation marks) from the revenue pool.
If the US government stops paying their bills at a certain point the country is technically defaulting. That’s going to be fun.