The problem is that the "harm" that can happen can be terrible terrible harm. Some gay (or other LGBT people) can be literally killed if the wrong person approaches them. There is an element of danger that straight cis men rarely are able to notice.
Stop trying to tell marginalized groups that they are silly to be worried. We know our own lives and our own experiences. We've seen the odd stare or remark someone has made. We all worry that sometimes this person will go very far. Work on reducing the amount of hatred that spewed out by some groups which encouraged the people that attack us.
Stop trying to tell marginalized groups that they are silly to be worried. We know our own lives and our own experiences. We've seen the odd stare or remark someone has made. We all worry that sometimes this person will go very far. Work on reducing the amount of hatred that spewed out by some groups which encouraged the people that attack us.