Realistically, how does this resolve now?
A) Premier League agree a deal with the new league, which the local FAs support, to allow the 15 clubs to continue to compete in domestic and European games within each league.
B) No agreement is reached. Does the Premier League kick out the 6 clubs involved? That makes the Premier League less attractive and less profitable. Players have to choose between the old layout or the new, which is essentially more money vs being able to compete in mutiple competitions at domestic, European and Interntaional level.
International football needs approval from UEFA and FIFA so is almost a seperate discussion, but would essentially mean they accept and the issue resolves, or they do not and they risk losing players from the biggest teams representing their countries at UEFA and FIFA tournaments.
Basically nobody wants to be pushed out of the cash trough, but will essentially have to accept a smaller share of it, in my opinion. There will be an agreement, UEFA will support the new competition in return for a fee and maybe even having their name attached to it.
One factor nobody seems to have thought of is the footballing calendar. We are proposing increasing the number of European games for 6 English teams by a minmum of 3 I think, if the initial league phase is split into 2 leagues of 10? So that is 3 more games at group stage for 6 teams, compared to previously 4 English teams playing 6 group games. Even if a deal is reached doemstically, you have 18 weekday matches to schedule PER TEAM vs 6 group games now.
Even if ESL games where teams from the same domestic league face each other count for double, where do the extra 12 midweek games, effectively three months worth of midweek fixtures, fit? The current CL groups are done by December, to fit them in you'd have to play continuously midweek through winter and then have the knockouts from Feb/March as we have now.
Players already struggle to play 2-3 times per week. Stars would get injured, be rested, how would you priorotise and how would each league take losing out on star players not playing?