Create a member group with fewer rights

[Kindred]

... and yet,  as I have said several times -- my method has prevented spammer bots from registering on my sites for 4+ years.

I think that annoyance point is a misunderstanding - Kindred isn't suggesting 30 questions at once, it's usually more 1 or 2 at a time, out of a set of 30 or even more, so that the questions keep changing without manual intervention.

Yes,  this