It stems from him being included in a list of ‘right wing guests’ of Joe Rogan’s podcasts. He reacted about the same way I would if I was accused of being right wing (which I sometimes am).

Here’s what you’re probs looking for https://www.realclearpolitics.com/video/2022/02/18/russell_brand_there_is_a_whole_class_of_media_professionals_that_dislike_ordinary_working_people.amp.html