Why do Americans consistently capitalise “Acol”?
No excuse here, I knew the source of the name was from the Acol Bridge Club, that it wasn't an acronym. I can only guess I was mesmerized (mesmerised?) by OP.
"Morehead on Bidding" (1964) played the jump raise as GF (but limited within about a K range), but acknowledged that ACOL used the raise as non-forcing. According to Wikipedia, the first ACOL textbook was published in 1938, afaik limit raises were always used.
Win, and it is not even close. The idea is to beat your competitors, so like a KO, who cares if you win by 1 or 100?
I will admit I had a partner who would rather play well and lose than play badly and win. The former happens often ...
"Yet from an expected value standpoint, bidding game can't have an expectancy higher than 7.5"
That assumption is based on 10 top -- are those the conditions? In The Bridge World, for example, 10 is usually the top score, but the assumption is a 12 top.
Playing "standard" methods, one could open 2♣, jump to 3♠ over the 2♦ response, blackwood, and then (non-standard) ask about 3rd round control of ♥s (getting a positive with the Q, maybe with shortness and 2 trumps). I couldn't tell from the conditions if there was ...