Time is definitely precious. Which makes these kinds of situations difficult.
If I'd just left the discussion yesterday at the first sign of a lack of understanding, it would probably be a missed opportunity for learning, and better understanding.
On the other hand, there are definitely limits. All we can do is be as reasonable as possible.
Printed copy · Anthology Volume 2, page 613 · cut by a page breakPrinted copy from The Tender For Law Anthology, Volume 2, page 613 (printed 14 June 2014). Added by this site; not part of the Facebook export. A page break in the printout cut off the beginning of this comment, with its name.