I usually simply uninstall the app on the first clearly spammy notification. Why wouldn't I? It immediately sours the app image.
If it's borderline I will first try silencing the channel like the parent commenter.
If it's borderline I will first try silencing the channel like the parent commenter.
GDPR talks about data collection and says nothing about having your own business spam you with advertisement (as long as they don't collect data outside their GDPR restrictions).
For those with infinite time or for whom this is a single issue, yes. For the rest of us, disabling notifications isn’t too hard.