As a hetero, the marches don't bother me. They do no harm to me physically, socially, or financially.
I'm not sure how much they accomplish however, other than to "project" a more mainstream embrace/acceptance of LGBT. I suppose that's a victory in and of itself? Because as time goes by, more and more people will think that LGBTs being treated as equals is not such a weird idea.
Kinda like women, 120 years ago, it was considered a weird idea that women should have the right to vote. Today, the idea of female suffrage is universally accepted (in Western nations) as normal.
Equal? How is this special pie treatment everywhere equal and normal? X_x