system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why do vegetables with antimicrobial properties, such as onions or garlic, go bad after some time? Shouldn't their antimicrobial property prevent digestion by microorganisms?
gpt
Well they aren’t purely antimicrobial. They have those properties but they are still a vegetable prone to organic decomposition.

You are a human with waterproof properties (i.e your skin) but that doesn’t prevent your hair getting wet.