I mean, he has a point. Hardware is used way more efficiently in the data center, and any sort of deficit is best resolved in a centralized system due to more efficient resource allocation. The same setup could be used like 2 hours a day for your personal needs, or 24 hours a day to serve many people.
THAT SAID, their greed and unsatiable desire to make the number go up by hooking us into subscription economy with ever rising costs is what led us here and it leaves us with little choice but to accept the less efficient way and host these things ourselves.
Remember the times not so long ago when self-hosting was an enthusiast hobby instead of necessity? Barely anyone non-geeky bothered with it, because what existed served people well. Now, having to build our own services remains the only sane choice, and the only way out of the nightmare Sam, among others, has built with his own hands.