since its all about money/revenue, i could see it happen. also too much pressure from the top teams leaving the cl, and doing their own shit (super league). tho uefa have to cave in.
good idea? dunno, but way better than platini's ec idea. probably leads to better teams being qualified and overall higher quality in early group stages. tho kinda the opposite of platini's idea
if you let the 4th team play qualification, the smaller team/countries still have a shot at qualifying.