Road Bike Tech Progression

I started road cycling only a couple of years ago and so am relatively new the "the scene". I'm diving deeper into it, and have come to learn about bicycle technology progression over the past couple of decades. I'd like to get your opinions on what you feel was "forced" onto consumers, what consumers naturally adopted because it was just better, and what is doomed to fail.

Some examples I can think of that cause "debates" are: