This is so interesting. I just got done posting a similar comment to snooggums, but I didn’t realize it was just a narrative. I went looking for some sources for the things you were saying and lo and behold… looks like it’s not as “fixed” as is commonly claimed!
Here’s NASA’s data on the hole(s).
And here’s an infographic I found:
No worries, I’m dumb too.
Here’s a site with more information, and even an animation that shows how the hole fluctuates throughout the year!