Arch uses nothing but newage hipster crap broken software like Systemd and doesn't test anything but rather recklessly throws shit into their repos as soon as the newest version out like idiots.
HAVE YOU READ THE FAQ?
https://wiki.archlinux.org/index.php/FAQ#Q.29_Is_Arch_Linux_a_stable_distribution.3F_Will_I_get_frequent_breakage.3F
Basically, it's the user's responsibility. Has its ups and downs. For desktop users, the downs aren't very significant in practice.