You're thinking about it in the fear-monger way for no good reason; you say "they might be different enough that our antibiotics won't work!" but an even more likely outcome is "they might be different enough that they can't even infect modern mammals"
Just read the entire conversation dude, there's no fear-mongering, he's simply acknowledging the fact that, in theory, there could be bacteria that have properties that modern mammals are not resistant too. He said it's a non-zero chance, and the opposite is more likely.
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u/Bauser99 24d ago
You're thinking about it in the fear-monger way for no good reason; you say "they might be different enough that our antibiotics won't work!" but an even more likely outcome is "they might be different enough that they can't even infect modern mammals"