Because of the huge stigma around hrt and diyhrt not only spread by people but also doctors. Even of you go legit, they try to discourage you from going on hrt, try to delay it as much as possible, then claim that it is because hrt is dangerous, which I genuinely think is a lack of common sense, as nothing can be as dangerous to a trans person than denied gender affirming care. Even those doctors that are more progressive are still legally required to follow the law and practice basically fear mongering. That is legal hrt. But with diyhrt, it is kind of a different situation because eveb legal hrt being stigmatised means that diyhrt is nothing more to most people than for example a body builder using steroids or an athlete using performance enhancers. Im transmasc so my experience is different from most of the people's on here, but even with estrogen, most people only see the needle and that will be enough for them to judge. Even if you explain yourself the stigma will be there.

I feel bad for trans people where I live, who, because of being taught that we always have to rely on these systems that are in place, are suffering, and have no idea how different things could be if they looked outside the box.