(replying here because too deeply nested to answer on the comment)

> When did asking "how do we know" become forbidden in science?

What has been forbidden exactly and are you sure we are "in science" here?

> You are exhibiting a deplorable behavior here, equating questioning of a scientific hypothesis with creationism dogwhistling.

Let me sum this up. Asking "how do we know?" with a hidden agenda is OK, but asking "what do you have in mind exactly?" is "deplorable behavior" and should be... "forbidden"?

OK, troll, bye bye.