I am using Firefox. I tried to disable the cookie protection and their website still does not work

There is also Aptoide to replace Google’s Play Store

That is a good idea. I’ll close my account as well.

Why is that bad?

Not really, but I found out about lemmy and the Fediverse one week ago. I already told about it to 2 people, maybe if you ask me again in a couple of weeks the answer may be different