They do, but newspapers don't allow readers to distribute misinformation among themselves, or vote threads full of self-reinforcing misinformation to the front

They do, but newspapers don't allow readers to distribute misinformation among themselves, or vote threads full of self-reinforcing misinformation to the front page of /r/all. The thought shaping at scale capability of Reddit is massive, and seems to go mostly unnoticed as everyone is laser focused on QAnon and conspiracy theorists (which quite conveniently are very common topics of discussion in these threads).