[ClayShentrup]

Basyesian Regret calculations show Range Voting to be superior, even when accounting for your objections.

http://scorevoting.net/BayRegsFig.html

There's even a theorem that it tends to elect Condorcet winners under plausible models of voter strategy.

http://scorevoting.net/AppCW

Believe me, its advocates have heard every criticism you can imagine, and the counter-argument is robust. I recommend you check out the book "Gaming the Vote".