Anyone else having problems with the payment page on UA?

I have an old credit card on file that UA doesn't want to seem to delete that UA defaults too. It expired in 2016.

On Thursday I got to the Payment page for a reservation. Went to click change payment method and instead the webpage went ahead and booked the ticket, despite the fact that the confirm button was all the way at the bottom of the webpage. I would've had to scroll down - it wasn't even on my screen. Of course I was able to cancel the ticket, so no big deal. Weird error.

Today I got ticketed and confirmed, forgot to change it off the credit card that expired in June 2016 (yes United don't default to my United Club card you dumbasses). It's only $5.60 because I booked with points but ????

Maybe the ultimate points hack ever!