Thought Linux was open source so there be no Copyright infringement!
It looks like the channel was reported for nudity according to his explanation video here:
The YouTube copyright and reporting system is very messed up right now and many channels are being punished for things they really shouldn't be punished for. Other Youtubers are able to report videos and get them taken down with literally no repercussion if it turns out their claim against the videos were false. This is making it quite difficult for smaller channels as they have barely any way to fight the claims against them. This has also happened to a few larger channels recently too (channels with over a million subs) and these larger channels even found it difficult to fight the claims. The only way the larger channels were able to eventually defeat the claims against their videos was because they had such a following on YouTube and their subs made a ruckus. See the following:
