The author mentions in another post why he is done with Apple after his 2013 13" MBP and states he has no use for the Touch Bar. Thats fine, just get the Pro without the bar and with physical function keys.
The build quality of other laptops just isn't on par with Apples. Greg Koenig and many others have analyzed why Apple has a tremendous edge over other vendors when it comes to building computers and gadgets from aluminum[1].
Also if your are used to macOS, its perfect integration of hardware and software, its polish and many of the very nicely crafted ("made with ︎love") 3rd party applications, it might be very hard to switch to a decent Linux distro, let alone Windows.
It may be wise to first try the switch on your current Mac, inside a Virtual Machine …
[1] http://atomicdelights.com/blog/why-your-next-iphone-wont-be-... (Featured on HN ~ 2 weeks ago)