If they said yes then there is no issue but at 18 no one listens. A 16 year old in awe of a new machine and with a fresh licence might ....18-20 boy ??? ...invulnerable.
Reminds me of Mark Twain ....
The girl might take it to heart tho .....
I know up at the Forks I learn stuff all the time chatting with the hardcore distance riders and even listening in.
I think you'll find more of the community in the ADV crowd ...StromTroopers
https://www.stromtrooper.com/index.php?pageid=active_topics
is a very civil community but then the majority of riders are mature ( aka known as tolerates ugly bikes for comfort and durability )
No one including me likes ATGATT police on forums so you may be running into that. I wear what's appropriate and I determine that.
Your advice might have helped them but more important, made you feel better for doing it.
My 2 cents.