If you spend enough time online, that experience constitutes a large amount of the data that conditions your mind.
Even on federated apps, many posts will contain links to non-federated platforms and posts from fediverse users conditioned by those platforms.
Just imagine a chatbot that was only trained on sensationalized algorithmically-fed negative-biased distraction.
This is what your mind will become by default if you don't become aware and carefully moderate your online experience.