Because Omicron seemed to just appear out of a genetic vacuum without any predecessors, the idea that someone just figured out the end point, engineered it and released it into the wild doesn't seem too far fetched.

It also happens to be a way for "patriots to have been in control" the whole time. They always had a way to stop the pandemic, but let it run its course for a while to allow people to get an idea how bad the deep state really is.