No doubt about that. There are a litany of topics that bring it on.

disc brakes
compact doubles/triples
e-Bikes
electronic shifting
carbon/aluminum/steel
campy/shimano/sram
helmets
bike lanes
rear view mirrors
...

This is where being old and crotchety becomes a way of life. Believe me ... I am a living example.

PS: Confession time ... riding to work yesterday in the fog and sand, I was just thinking that disc brakes might make sense on the commuting bike.