There's certainly a possibility along those lines, or one along the lines of plenty of people having issues with their scheduling across different stores.
Supposedly you need to go to getsupport.apple.com in a web browser
to make a Genius Bar appt now.
When you go there, you need to jump through a dozen hoops to get anywhere- I still haven't found where Genius Bar appts are.
Looks to me like Apple is just trying to make it harder to do. Bummer.