In short Republicans are going to screw over 23 million poor Americans because they don’t want Democrats getting political credit for helping them during an election season. And because our press is generally broken and afraid of calling a duck a duck, this is going to get dressed up as a genuine concern about wasteful spending by a party that’s long been a huge fan of no shortage of wasteful spending.
I’m guessing you weren’t around for the 2016 DNC primaries? There is no legal precedent that the results need to be respected and they have outwardly said as much.
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That’s just lawyers being lawyers… Trump and Republicans have certainly argued far more absurd theories only for them to be shot down when put to test.