It’s not to bad as others are saying. Real question is to why you don’t want to use the installer?
They are quite good. I just used one for a Gentoo install because I have better things to do with my time. Can I do it for the millionth time sure by hand sure but what’s the point? End result is more consistent than me as a human doing it by hand
Lot of just general progress, Linux was so fringe when I started in 2002 compared to now. Most enterprise customers are using Linux the past 15 years and hardware venders are now seeing more and more Linux adoption. We can kind of thank Chrome a bit for that but also more people generally having an interest and using it and developing drivers for their hardware