I see that attitude a lot, Stance. Just thank them and move on.
The advice is usually fairly good - if sometimes incomplete and snarky.*
However, there are some goofy things that can happen, so, you may wish to reread the whole thread to be sure you get all the advice. I did and it was helpful.
I would add that when I copied my very large photo library to a large external hard drive, I had some bad files that stopped the copy from completing. Infuriating. It was many many Gigs, so it took a while to discover each bad file. I just started it and walked away - came back and read and made a note of the file name in the dialogue box. I ended up taking the time to copy that library over manually multiple times and each time it stopped, I went into the actual folders to pick out the files that stopped the copy process. Delete. After a few files were removed, the copy process went over without a hitch, and I redirected my photo program (crappy program that it is) to use the newly copied library on my Mac OS formatted (journaled) external hard-drive and it has worked flawlessly. Yea!
After a few days I made a second backup on another drive as a snapshot in time in case something catastrophic happened to my main library. Then I deleted the original library to get a ton of room back on my main iMac hard drive.
Good luck!
-r.
* Often times folks who know a lot about something have invested a lot of time and have a real interest in the details of something and feel like everyone else should take the same approach. What they don't realize is that many people just what their tools to work. After all, Apple users often want a tool - not a project. When asking for help, Apple users are mostly wanting a simple e fix. The bad news is, that's not always possible. Perhaps we are actually the tools of the computer/software companies? Oh well, smile and move on, right?