Should I be concerned that I don't genuinely get trans stuff
Do you have any questions about being transgender?
Not really
It's okay if you don't understand trans things. You should google for more information.
Nah, I don't think I need to if I don't get it.
There's no shame in not fully understanding trans issues. If you want to know more thought the best way to find out is to search for reputable sites that will have answers to your questions.