Good old Udemy.
I was unable to submit tax paperwork because the submission process failed many times over the course of some weeks.
Now that I need a 1098/99 for tax purposes, they haven't sent one, and can I get any help? No. I've written to the instructor team (twice) but cannot get a word from them. Yet the address seems to be good. So my taxes are waiting on Udemy.
Now Udemy is changing their financial arrangements, from 50% to 37% to instructors for sales not driven by instructor coupons. While they say this is the average for instructors, I don't use Udemy's kamikaze marketing, so it's just taking money out of my pocket. "Screw you again, instructor" says Udemy.
Time to look at some of these other education sites, I suppose.
Added later: I wrote to the OLD support address, and got an automated message that amounted to "support is now automated, we don't respond to emails". Too bad the newer address didn't respond.