In the beginning, valid claims of 100x to 1,000x for genuine workloads due to HW level advances enabled by CUDA were denied stating that this ignored CPU and memory copy overhead, or it was only being measure relative to single core code etc. No amount of evidence to the contrary was sufficient for a lot of people who should have known better. And even if they believed the speedups, they were the same ones saying Intel would destroy them with their roadmap. I was there. I rolled my eyes every single time but then AI happened and most of them (but not all of them) denied ever spouting such gibberish.

Won't name names anymore, it really doesn't matter. But I feel the same way about people still characterizing LLMs as stochastic parrots and glorified autocomplete as I feel about certain CPU luminaries (won't name names) continuing to state that GPUs are bad because they were designed for gaming. Neither sorts are keeping up with how fast things change.