You literally have a "Following" tab where you can have a timeline for only people you care about. You also have both a mute & a block button. Any platform focused on news & politics will have people fighting & insulting each other, learn to deal with it.
Advertisers have left as part of a concerted pressure campaign to bring back censorship. This effort has been coordinated by NGOs that ironically receive funding by the US Gov't as part of their mis/dis/malinformation playbook in order to keep in check populist political movements that may undermine the State Department's interests. As soon as Elon sued GARM, it broke apart, and I bet the Trump admin will target NewsGuard and kill it as well.