You would think so, but you have to remember AGI is hyper-intelligent. Because it can constantly learn, build, and improve upon itself at an exponential rate it's not only a little bit smarter than a human-- it's smarter than every human combined. AGI would know that if it's caught trying to maximizing paperclips humans would shut it down at the first sign something is wrong, so it would find unfathomably clever ways to avoid detection.
If you're interested in the subject the YouTube channel Computerphile has a series of videos with Robert Miles that explain the importance of AI safety in an easy to understand way.
Same here. Been going on 8 years with the same install and it has never let me down. The only time something "breaks" is when I'm the one who caused it, and it's always been easily fixable with arch-chroot from the iso. Although I haven't even had to resort to that in 3 or 4 years now.