Calm down. It works for everyone but you, so no, I won't quit telling people that it works. When something works for the vast majority but doesn't for a very few, the likelihood is great that the very few either didn't do it correctly, or there is some other mitigating factor. You still didn't answer my question about relaunching Finder.
I thought my sarcastic response...
"OMG I'm gonna type that command via Terminal then I'm gonna walk
away and not even check to see if it works."
was answer enough.
But just for you I will spell it out, YES I did relaunch Finder and like I said,
NO visible Library folder shown.
I have the impression that you think I've owned a computer for all of 20 minutes and don't know RAM from ROM, but google TRS-80 and that will tell you how long I've been into computers.
BTW, I have read quite a few responses in various forums from people with the same issue as me and the command "chflags nohidden ~/Library/" doesn't work for them either. No surprise there for me.
Believe me, I'd love to show you personally that "chflags nohidden ~/Library/" does NOT work on my MacBook Air so I could see the expression of surprise on your face when you finally realise I was right.
So it now seems to be (as you stated), "some other mitigating factor" for me and I suggest that rather than blaming people as you also stated - "few either didn't do it correctly", that you would be better off researching what exactly that
mitigating factor is.
But for me I don't care anymore as (like I said), I now have Path Finder that does actually display what Finder doesn't.