Interesting subject. I know of a few a'phile friends who bought speakers without first contemplating what amp will work with them. These folk either no longer own the speaker, or they have bought high powered ( and usually low SQ) ss amps to drive their speakers. Then we have the guy who bought a SET amp with 8 watts/ch hoping to drive his Wilson Alexia's. Disappointment might as well have been his name!
Problem is that unless one is listening to basically horn based speakers, then the requirement for upstream power is going to be factor. But, I do agree with you, the needs of a speaker like the YG's, or the aforementioned Apogee's, should be a turn-off to most hobbyists.