Highly debatable. In fact, trying to classify it as a dark pattern may derail the very valid discussion that the FTC is trying to have. There are significantly worse patterns out there. See [1].
What the push notification pattern is, is annoying. And it is specially annoying because of a prevalence of confirmation dialogs all over the Web with GDPR/CCPA, paid subscriptions, etc. But does it cause harm or monetary loss as the sneak into basket pattern? Or the opt-out unnecessary "insurance" that airlines continue to put in the checkout flow?
We do a disservice to ourselves littering the web with these constant asks. But it's not what needs regulation and enforcement.