[k3a]

People are used to say Yes in a standard confirmation dialog. It would be helpful to implement something more complicated like pressing two buttons, typing "yes" to a clear question or solving a simple puzzle (ideally visualizing the outcome while solving it).

[ithkuil]

A common pattern, e.g. used by github when deleting repos, is to type something (e.g. the name of said github repo); not necessarily a puzzle, just spelling out the thing you want done.

[rickycook]

typing “send sms alert” vs testing “do not send sms alert”. that way you’d have muscle memory for the latter, but you’d know what to do if you really wanted to do it