I used to be open to dating Republican women, Then I actually dated one. Now I’m no longer open to dating Republican women.

Network effects, boomers being unable to figure out how to switch

Imagine if there was a hack so bad that it caused everyone to become unable to develop in C and C++.

Classic “let’s just make the cure worse than the disease” mindset among security enthusiasts.

Sunk cost fallacy is definitely a subtype, but I’m going for I guess the more general concept of an idea that becomes more popular the worse it does