Those aren't the same assertions.
It's not a sensible assumption that a process must necessarily be difficult or complex just because you don't already know how to do it. There are an unenumerable number of tasks each of us don't know how to do and have never done before which are not difficult at all.
You really don't need to know much at all in order to compile llama.cpp. You can literally ask any half decent AI agent to do it for you or give you a step by step guide, and troubleshoot any error you get.
Just about everyone I associate with personally is polite, kind, and friendly, and everyone I work with professionally is too serious of a technologist to dismiss the most transformative technology of our lifetimes to date.
I know some people who'd oppose datacenters going up in their neighborhood or town, but nothing as bizarre or irrational as disowning someone else for merely using AI.