The vets were not welcome by the VFW because they didn't classify the Vietnam War as a war. When the first veterans did join, it was as Social members. My father was instrumental in our area of recognizing them. I remember when one particular soldier was killed. His parents were VFW members and my dad was the only member to show up.
Locally, I believe some of the WWII vets were afraid of losing their positions or status. Once they were recognized, they made some extraordinary changes to the local club and rose fast in the ranks.
Again, my own experience dictates otherwise.
Very interesting.