Everybody I know is keeping their M1 because it's so good they just don't have any reason to upgrade to M2 or M3. I expect my M1 to last at least another 5 years (as opposed to my previous schedule of new computer every 2-3 years).
Do you have any proof? Everything about it seems like it's a naturally-occurring meme. Nobody pushed it until it went viral 2 weeks after the original video, and the channel has clear history of many different experiments that didn't go viral.