The most common thing for a subtle artist to not be able to stop doing is reading minds, not actually doing anything to them, but that's bad enough. It'd be a really rare one who could do something complicated like a hallucination and couldn't stop doing it.
I block them; I have a natural talent for it and don't have to be trying. I can block them out for other people who are around too. But mostly they're just - encouraged to learn to stop that. If they can.
Most people mind less than I do - well, less than I hypothetically would. What I object to is that they aren't required to, like, wear a hat or anything to display that they're incontinent mindreaders.
I mean, that way you'd know to leave, if you wanted to leave.
Exact distance depends on the person, but it's limited, yes, they don't just constantly hear literally every unshielded person.
I've got enough stuff for scrolls of all the spells I know, and a few experiments!
That's the idea, apart from teleporting off to Lorien when Miriel gets here.
Write write write paint paint.
There. One scroll down, a few more to go. Scroll scroll scroll.
She puts down her brushes and caps her inks and crashes for the not-actually-night.