You write it sarcastically but this actually was why canned food became so popular, at the beginning stages it was practically a guarantee of the brand being as

You write it sarcastically but this actually was why canned food became so popular, at the beginning stages it was practically a guarantee of the brand being as close to actually safe as possible. There was no regulation that food manufacturers had to use sanitary canned containers, it was almost purely market forces that spurred the adoption. Of course once the canning technology became cheap enough, even low quality brands could afford to can everything, so it stopped becoming a reliable differentiator. But that was decades later.