It would not surprise me in the least if Mattias packed it all in due to:
A. Having a YouTube channel can be very taxing, especially if trying to do it as a business rather than just for fun as it’s a beast that never stops increasing it’s appetite, plus,
B. It can get so toxic in the comments and most take it too personally and it only takes one or two toxic trolls and it can stress them out so much, it ruins it for them.
Based on a couple of pals and their own YouTube experience…