... I've been using this method for years ...
Look, my friend, it's not my role to convince you. You do as you wish with your computer. If you're the type who's impressed by a person's qualifications, here are my qualifications: My life is on my computer, so I take backing up very seriously, and have invested a lot of time and effort in learning how to backup effectively. I have been making daily backups consistently, reliably, automatically and quickly (i.e., in minutes.) I can restore those backups just as quickly and just as reliably - and I have. To me, that's what matters.