Well, you can understand how being ineligible for service is a disadvantage when it comes to earning an income, obviously. If other people in your town can get a job that you cannot, then you're disadvantaged.
But between 2016 and 2018, the policy changed under which people could be discharged from service. In other words, fired. The separation policy is a little opaque to me, but I'm a Canadian far away.
There is an easily Googled infographic available from the Department of Defense. You will easily be able to find it to show your friends
https://www.defense.gov/explore/sto...icy-on-military-service-by-transgender-perso/
If you get let go from a job, you can either include that employment on your resume if you're willing to discuss with the new employer why you were let go. Or, you can not include that line on your resume. In a transphobic Society, it's rough having your resume choices Limited after your previous employer decided to fire you without cause
It seems like a small thing, but it's also a backward step designed to placate a segment of the base that the rest of the base doesn't mind