I can't think of any equipment manufacturer from Caterpillar on down that doesn't try to get lock-in for parts, services and even upgrades.
The medical testing equipment at labs I deal with - I always wondered how these rickety outfits could afford that fancy equipment, so I talked to a lady from Bechman.
She said the machine we were setting up listed at a quarter of a million, but the lab didn't actually pay for it. What they did was sign a contract that they have to buy all the reagents, supplies and services from Bechman. The way out of their previous contract was to upgrade to the latest model. Now that's lock-in in spades.
One of the clients who complains about my high charges accidentally left a Bechman service invoice exposed. A low level Bechman tech charges $250/hr including travel time.
You didn't think Microsoft actually "innovated" lock-in did you?