i would say Arch CAN be very stable. Same goes for EnOS. It just depends on what you do with it. If something breaks, it often is your own fault (because of excessive tinkering for example).
Just watch out for those nasty monkeys and you’re ok… (https://forum.endeavouros.com/t/i-could-use-some-help-finding-these-monkeys/7886/54) 
By the way: Welcome here!