@hughabbott
Hey mate, you’re welcome. I am glad to be of assistance!
It is described in detail on the Managing Users page.
Although, I do see your point that it’s easy to miss if you’re looking at Robots tab, while the solution sits under Users tab.
Experience/tinkering around
(and 3.) In my limited knowledge, I think the default setting is provided to make the floating-type machines, robots, etc to be easily provisioned at scale.
Imagine a world where you’d need to manually create a robot for each user you provision.
What’s the fun in that!
But that’s just what I think. There’s probably a better technical explanation for that.