I whine about the trade-ins too, but then when you take the eBay haircut for selling fees, it gets a lot closer, WITHOUT the headache of setting up the sale, dealing with bottom feeder offers, and sometimes getting scammed (I sold a computer with a no overseas buyer restriction, and the buyer used a Florida drop shipper to send overseas and claim he never got it - after a couple of months eBay finally made me whole).
So yes, Apple gets you coming and going, but they KNOW we like it...
As a LONG TIME Windows users and new Mac convert, the key for me is realizing my bought used 2+ year old M1 Max MacBook Pro is far from out of breath...