AI took the crown in chess and it caused a renaissance in the craft. The best of the best could train against their own personal grandmaster as often as they wanted and started to rapidly improve, where growth at their level was very slow before.

Did runners give up the sport after bicycles were invented?

When it comes to programming, this guy is lamenting the specific skills he learned. AI is a tool. Everyone who writes prose or code or produces images or video will need to update their skillset to remain effective. Some people view this in a negative light but I find this perspective myopic. I choose to believe that the productivity and creativity gains will eclipse the sense of loss felt by romantics from the previous era.