And though the main feed / explore page is not quite as openly tilted toward that audience today, the 'groups' features not one but three QAnon groups, which appear to be some of the largest on the site.
In short - if you've been looking at Gab's content since their inception, it be hard not to see activity from some prominent altright/stormer users, and there remains a large quantity of both weird political extremism and general cultism promoted at the top level of the site.