I haven't had the experience of being out and about in a dress or skirt and so I can't comment on vulnerability in the sense of women feeling uneasy...
I don't like the idea of getting dressed in front of anyone at all. En femme or not. Even when we were on teambuilding and I had to share a room with...
The crossdressing community is one that needs to stick together and continue to be there for each other for whatever one needs. We are always trying to improve the forum to better serve the crossdresser in all of us.