Fun fact: I'm not american, I'm even from one of those cultures where we actually pay everyone so tipping is optional and I found this entire rant a very long way to say that you're a stingy asshole. You are comparing a pixel site where there are no wages with RL, with wages and everything; I believe the saying is 'apples to oranges'. Frankly, the not-tipping is what sounds more american to me, with all that obsession with CaPiTaLiSm this and PrOFit that and FEE another.
Yes, tipping is absolutely necessary even on a pet sim and the stingy assholes like you is why there are so much fewer dom shops and other semi-free service threads - just because a 'pretty rich' asshole couldn't even find in their hoard a junk familiar to attach, now there are less resources for players who actually cannot afford to tip or those that always tipped.
Re: SA
Yes, tipping is absolutely necessary even on a pet sim and the stingy assholes like you is why there are so much fewer dom shops and other semi-free service threads - just because a 'pretty rich' asshole couldn't even find in their hoard a junk familiar to attach, now there are less resources for players who actually cannot afford to tip or those that always tipped.