It would be like if you put in all this time to get fit and skilled on mountain bikes and there was a whole community of people, quiet nature, yada yada, and then suddenly they just changed the rules and anyone with a dirt bike could go on the same trails.
It's double damage for anyone who isn't close to retirement and built their career and invested time (i.e. opportunity cost) into something that might become a lot less valuable and then they are fearful for future economic issues.
I enjoy using LLMs and have stopped writing code, but I also don't pretend that change isn't painful.