Wait a minute, why is the FA cup given so much authority over the premier League

Just learnt that the Manchester Uniteds win over City yesterday will deny several teams of football duties that where suppose to happen, for example from the top 7 finishes in the EPL
For example Newcastle who were 7th in the EPL will not play in Europa Conference League next season, Chelsea who finished 6th were suppose to play in Europa too but dropped to playing in the Conference League, Community Shield where Arsenal was to play will now have United play..woow the FA Cup has so much recognition after seeing what's happening..
Btw, Manchester Uniteds last afternoons win has saved their face from missing out on European Action something that has not happened in several decades and forked alot of other teams next European duties

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Glory Glory Manchester United
