No OP was right. If the reCaptcha is on the same page as a login, and I use my password manager to fill the fields, I fail the reCaptcha almost every time. I have to manually paste in the user name and password separately to slow things down to act more human…
I’ve got one more to add to your list, and I hate it, but it’s worth mentioning: https://en.m.wikipedia.org/wiki/Hungarian_notation
It’s when the data type is in the name of the variable.