WTF!
#ZEALOT ! STOP IT RIGHT NOW!
THOU SHALT NOT BE A FOOL BECAUSE EVEN THOUGH YOU SEEM TO BE RIGHT IN YOUR OWN EYES, YOU ARE NOT AND THAT WILL LEAD TO LOST FILES.
Ignoring best practices which have been well documented for about two decades is the problem of your precious #sudoers file being clobbered, not the software update. Instead you should use „sudoers.d“ or "sudoers.local“ as documented for almost 20 years now.