OK. Some people keep rating the app one star because I don't block an instance.
Unfortunately, their lack of comprehension concerning the Fediverse (manipulated by some propaganda) make they think that the app is not safe to use.
You have every tools with the app to avoid interacting with people you don't want to see.
The social network of the future: No ads, no corporate surveillance, ethical design, and decentralization! Own your data with Mastodon!