Nah, CF filament can be good depending on what you are trying to accomplish.
Discussion
Don't get me started Jeff
Highly wrong. Too much nuance to get into here. CF is fine but need to know its application.
Makes stuff 10-20% stronger at the expense of impact resistance (which can be more of a negative than most realize). Easier to print, less expansion & contraction, less heat deformation, generally looks better. Just need to understand the tradeoffs.