I will keep it and see. If Reddit decides to roll back the API changes and starts listening to the community, I'll probably keep using it. But if they don't, I'm conflicted.
Deleting it would be nice, because they lose their interactions, posts and data, which is what makes them money.
But there are also some posts with important answers to niche questions, and the random stranger looking that questions up in 3 years would also be affected.
So for now, I'll probably leave it abandoned and I'll see if I delete it when they make some more stupid changes.