i wouldn't say it's an age thing...

Personally I would always be respectful in my reactions. Since I also believe myself capable and have the knowledge/experience to do what I am tasked to do, I would simply ask that they acknowledge my respect and that they speak to me with respect.

Being compassionate by understanding things like feelings of insecurity, anxiety etc. can cause disrespecting boundaries can also help you avoid feeling angry and frustrated.

If i talked to others about it i would be genuine about a need for guidance and constructive advice on how to handle it and not that i was complaining about it.

hoping you find a positive solution that works for you!