Ask the hetero guys who wear them ... right next to their girlfriends wearing vulva costumes.<quoted text>
That's all good and well, Snyper, save for the fact that the group you're talking about is a sex cult.
Honestly, fella, how do you confuse men in penis suits waving erect penis banners with Civil Rights protesters who risked their lives in Selma?
Step us through the logic on that, fella.
Not a particularly homemade American phenomenon either, it appears.
Your question is the equivalent of asking what a Mardi Gras parade has to do with Selma.