>>64159190
in the same way you mention ammonia being a holdover, corrosive ammo was the norm
so having ammonia both cleaned copper deposits, but more importantly, cleaned corrosive deposits

i'm not arguing that windex is still useful, i'm saying that it WAS an option
see >>64158999 for me literally saying "theres better out there", and see >>64159094 for "you see a lot of old tricks that worked back in the day"