I have hundreds of clients and get referrals--but its always "I want the same plan Joe has" which is an MAPD.
I too have "hundreds" of clients but probably not as many as you have accumulated in 20 years.
But this is not about bragging rights.
MOST folks who contact me are specifically looking for Medigap. Some are indecisive and ask about the different in MA vs Medigap, so I tell them.
And MOST of those folks end up buying a Medigap plan once they understand the difference and don't want to be a sheep.