Yes, that is correct. I believe buying the boost is a bad idea and sets bad precedents. I believe that he must stay away from the WOW TBC Classic Gold microtransactions, just like (I think?) he does in retail. I'm not up to date with his opinions though. I don't actually follow him or any other streaming service, aside from the occasional youtube video.
There isn't anything such as WoW. It is a choice that you make and is it is not something you require. Entertainment may be a necessary requirement. However, you can cheap WOW Classic TBC Gold get entertainment anywhere else and not have to support a scam company. You cannot leave society.