not sure if they'll see any money, though i gather they wouldnt be at all unhappy UEFA being weakened. they might give wiggle room to allow the start up without explicitly endorsing it yet.
ESL along side EPL . https://thesuperleague.com/#who_we_are
CL is upto UEFA, they'll probably continue, on surface without the affected leagues.
i have a feeling they'll go through with it.