I have a friend who is a singer in a band. He is on Facebook, Instagram, and TikTok. Does it matter if he is everywhere if most of his followers are on TikTok?
John Gruber (Daring Fireball) has a very popular website and he said a couple of weeks ago that his traffic still hasn’t recovered from when Google shut down Reader.
In other words, even if you do have a website, no one will organically go to it instead of using one of the “aggregators”