Just a "meta" consideration. 350 comments and heated discussions, embarrassing anecdotes about tipping (or not tipping) in the US, claims of tips creep from 10

Just a "meta" consideration. 350 comments and heated discussions, embarrassing anecdotes about tipping (or not tipping) in the US, claims of tips creep from 10% to 20% and from full seated meals to coffee on the go, complaints of moral blackmail and peer pressure. Aren't all these already strong enough indications that the tipping system is bad and doesn't work? Isn't the fact that it doesn't exist almost anywhere else a proof that it's completely unnecessary?