I'm reminded of my friend's autistic kid who loves to learn things on YouTube. Whenever he gets excited and tells you about something, he ends his spiel with "L

I'm reminded of my friend's autistic kid who loves to learn things on YouTube. Whenever he gets excited and tells you about something, he ends his spiel with "Like and subscribe!" before walking away. These innocuous behaviors feel like a mental contagion that we should really be trying to rid ourselves of.