Heck, I can use crappy chips for every home appliance and home IOT device.
Sure I want high end stuff for my laptop so I can do AI, but that is just 1 application.
Things like microcontrollers thrive on the 180nm to 28nm nodes.
And even 74HC series logic chips are still being manufactured by Texas Instruments and Nexperia (former NXP/Philips). All fab capacity gets used.
Heck, I can use crappy chips for every home appliance and home IOT device.
Sure I want high end stuff for my laptop so I can do AI, but that is just 1 application.