QAnon has revolved around unsupported claims that parts of the US government are involved in human tracking and pedophilia, and that Donald Trump would ultimately take those offenders down. Some of the theory’s more extreme devotees have been involved in violence, hate and harassment, with the FBI going so far as to declare QAnon a domestic terrorist threat.

The tags didn’t appear to have large followings — a Q tag spotted by Washington Post opinions editor Drew Goins had 63 members shortly before it became unusable. Still, this shows just how difficult it can be to contain potentially harmful online movements, especially for Peloton and others that don’t normally have to aggressively moderate their services.