RebYidd23 – it was last year, but “bumped: to now, because the issue is relevant!
You saw the thread that claims the majority of kiruv events have non-Jews due to intermarraige etc. – which I totally disagree with, but there is a possibility of a goy in the crowd,
Which requires an awareness of the halochos relating to wine that is not mevushal. (Same applies with such wine with the housekeeper/cleaning lady/waiter etc). Many wines on the market are NOT mevushal.
A discussion about the dalad kosos makes people aware of the issues.