The ratings aren't supposed to be rating The Game of Vetoing Sets of 10; they are supposed to be rating Dominion.
Except they actually are rating Dominion With Random Sets Of 10. That seems to be the "canonical" form of online Dominion among competitive players right now, I guess I'm just not sure why it should be.
You don't need to feel this way. Of course you like your proposal. Some people will love/hate whatever, etc. etc.
Well yes, but I also like your proposal. What I don't like so much is the status quo, I'd rather play with a hate list than random sets of 10.
BTW I've used my proposal in two league matches so far, and it's gone about like I expected/hoped. In 12 games with two opponents, I've had one mutually agreed reroll. It was Dame Anna on top of the Knight pile, no other trasher, so first to get her has a huge advantage. Adam Horton told me he had a 5/2, offered the reroll and I accepted (basically he gave up a free win to play a more competitive game, very cool of him). I would've accepted even if he didn't tell me about his 5/2, thinking we're both about to open Silver/Silver and that shuffle would just determine the game.
I'm gonna keep offering this in league play to get an idea how competitive players feel about it, and how much rerolling actually happens in a setting like that. Even if it's never added to Pro, it's always an options for things like Unrated league matches, and so far it seems to be a decent one.