This is the point that company breakups start to make a lot of sense.
When Google can do something that every one of it's users hates and none of us can do anything about it, they perhaps have too much market power.
For example, when Apple makes a user-hostile hardware change, every major Android vendor will copy it in a matter of months[0]. The only thing you can go to after that is niche Chinese phone makers that will cause you a bunch of other pain.
I'm basically completely disconnected from Google at this point. My phone requirements forced me to get a phone without Google Play Services, and I live in a country where Google is not dominant. The only thing that still pops up is YouTube occasionally. (Also it would be nice if I could get my old Google Photos archives exported from Photos, but the export in Takeout keeps erroring! Oh well...)
[0]: Back when I worked at Google, there was a mailing list thread on a big internal engineering mailing list, where somebody point-blank asked "Did we remove the headphone port on the Pixel because Apple did?". The answer from the product team was a whole bunch of wishy-washy word soup, amounting essentially to "Yes".
Did you try different export options? I recently had to do one export and it kept failing but exporting using another option worked. I don't remember which one but it was either email or drive.