Right - and in a few years; promotions and choice assignments will be based on preferences rather than merit.
It happens in the private sector - but there are other employers - choosing a military career limits your senior officers and your options.
As with everything else, it will go beyond just being allowed to admit being gay, it will them morph into a quota system, like the one that exists today.
Have a 18-19 yr. old, physically fit and with a decent, 60 or above ASVAB score walk into a recruiter, he will wait 10 mos. or more, longer for the Marines, to get to basic/boot camp in most cases, now have a woman or minority walk in, they get put a head of the line.