‘Mash’ pits??? Isn’t it mosh pits?

It is something the British would say (source: am Brit)

It’s also sad as he used to be somewhat respectable but has driven his reputation into the dirt for no good reason whatsoever. He could have been a decent spokesperson for science, engineering and the like, but he has continued to say and do shit that makes him more divisive and less likeable to the average person