Most people will avoid sticking things in their mouth by default. They don't wait for the microbial cultures to come back positive to say no.
We need a cultural shift toward code hygiene, which isn't really any different from the norms most cultures develop around food. It's a mix of crude heuristics but the sense of "eeew" is keeping billions of people alive.
> They don't wait for the microbial cultures to come back positive to say no.
They dont wait for the cultures to come back negative to say yes either. They just eat what they are served.
That means going back to disabling Javascript or only allowing widely used, well-maintained Javascript libraries.
The billions of burgers served by fast food franchises with long histories of poisoning people would argue that delicious convenience overrides the hygiene instinct.
Which is to say: Hiding the sausage-making is a core aspect of what makes supply chains profitable.