> It works great because they have a limited spectrum of hardware to support

Probably

> Linux and Windows supports a much broader range of hardware combination, obviously the perfect combination and work doesn't exist for them

Yes

> Try to install OSX on different hardware combinations

Why would I do that when I can buy a Mac?

This is neither a moral stance nor a philosophical one, it's a practical one. I want a stable reliable machine to be productive on, and not to irritate me more than is strictly necessary. That's been a Mac for the last 15 years or so. One dud model in that time is not enough to get me playing with XF86config, tweaking the Registry again, or powering off my laptop when I'm done with it.

> Why would I do that when I can buy a Mac?

Maybe to contrast pumped prices for hardware found on other vendors' hardware, costing half or a third of it? (true especially for the entry level MacBooks, which have same hw of a 500€ laptops from Hp or Lenove

Every time I buy a MacBook, O check around. But interestingly, there is no 500 euro laptop from hp or Lenovo with similar hardware. Usually falls apart around the trackpad. And this isn’t counting the absolute horrible customer service I’ve had with hp and Lenovo.

And so you've gone full circle; this started with:

> It's OS X that I buy Macs for

As the grand-parent you're replying to notes, it doesn't work so well on non-Apple systems. The hardware is secondary.