Arch breaking easily is such an over-exaggeration. I’ve run Arch so many years and the amount of tinkering I’ve had to do because of botched updaates is so minimal. Often times, they announce it on their main website even, with instructions on how to fix it. You also should have configured filesystem snapshots to easily revert after a bad update. Or have a USB installation medium ready to boot from and then repair/downgrade the affected bad package. That’s usually all there is to do, and it happens rarely.
If you have multiple problems after Arch upgrades, then I’d guess that’s a misconfiguration on your end, leading to unstable system behavior after updates. Arch doesn’t do any kind of hand-holding, you’re allowed to completely misconfigure and break your system, but then it’s also your own fault.
If you didn’t update for a while, you should probably update the archlinux-keyring package first, then do the rest of the updates. Otherwise, the other packages won’t be able to be updated when package signing keys changed in the meantime
So yeah, I wouldn’t recommend Arch for beginners, unless you really want to learn Linux the “hard way” and have a little bit of spare time and don’t mind reading on the Wiki, but still, Arch instability is kind of over-exaggeration. Arch is very stable for a rolling release distro, but you do have to do a little bit of maintenance every now and then. That’s the nature of rolling-release. I still wouldn’t call that unstable, though.