https://arstechnica.com/gadgets/2023/11/review-apples-16-inch-m3-max-macbook-pro-crams-ultra-level-speed-into-a-laptop/

The next year or two will be a turning point for people who bought into the last few generations of Intel Macs. AppleCare+ subscriptions are going to expire, batteries will begin to lose a noticeable amount of capacity, software updates and security fixes will gradually dry up, and normal wear-and-tear will slowly take its toll.

Every new generation of Apple Silicon Mac is another opportunity for Apple to get those people to update. Which may or may not help to explain why Apple is introducing its new M3, M3 Pro, and M3 Max MacBook Pros less than 11 months after releasing the M2 versions.