YANBU, OP.
It's amazing that women still do this, but the patriarchy is strong.
When I was getting married I was debating whether or not to change my name and I stumbled across an article about the pros and cons. I doubt I could find it now, but it gave me the rage.
It basically went through the list of options like this:
Changing your name on marriage
The only evidence you need is your marriage certificate. You can use this to get your name changed on your passport, driving licence, bank accounts, utilities, employer records, HMRC, pensions... blah blah blah.
If you want to travel on your honeymoon with your passport in your new name you can get a new passport in anticipation of marriage. You won't be able to travel beforehand. If the marriage doesn't go ahead your new passport will be invalid and you will have to apply for a new one.
Double barrelling
(explanation)
Deed poll
(explanation)
Creating a new surname
(explanation)
Not changing your name
You can keep your maiden name on marriage. If you choose this option, you don't have to do anything.
Conclusion
You can choose any of these options but the easiest option is probably to change your name because that's what most people do.
Like, what in the actual fucking fuck?
You've just written a long article about all the tedious admin shit that you have to go through when you change your name, and added that if you don't change your name you don't have to do anything at all, and your conclusion is that the easiest option is to just change your name?
HOW in the ever-loving FUCK have you come to that conclusion?