Tesla can't find buyers for the current backlog of nearly 2,400, or $200 million worth of Cybertrucks, despite claiming over a million orders were received.
No other major manufacturers sell directly to customers so no. Dealerships don't care as long as you're buying something. Many cars they take as trade wind up going straight to auction.
No. Dealerships might have said "we have too many EVs right now" to you if you came in with your Nissan Leaf when there was an over-supply. But the idea that the entire manufacturer is blanket not accepting their own car, that new.