It started on 4chan, only moved to 8chan (likely a different poster) much later.

See for example: https://www.nbcnews.com/tech/tech-news/how-three-conspiracy-theorists-took-q-sparked-qanon-n9005

Q posts moved from 4chan to its more toxic offshoot 8chan in November after a post claiming the original board had been “infiltrated.”

Screenshots only show those two accounts blocked a user. Elon is not involved. I think these are fake, as they do not show what is implied.

The kickstarter failed in 2019… as this article is 4 years old.