So I struggled to delete a free Apple TV+ account for a day now (tried different browsers etc) and decided to search if anyone else has had the same problem. Turns out this issue is at least a year old, is known by apple and the Apple support suggests to find someone else with an Apple device to help you out.
I tried to sign up for an Apple TV free trial without an Apple device. It let me create the account, but then I had to "activate" the account, and I couldn't do it on any of my devices (android, windows, the TV that gave me the free trial). I talked to tier 1 and tier 2 support, they couldn't get it working either.
Then it gets even more ridiculous. The tier 2 agent asks me to upload screenshots of the errors I was getting for the tier 3 (?) engineers to review. Oh, I need an active Apple account to upload anything. I emailed the images and their email system stripped the attachments from the email. Tier 3 closed the ticket and banned my account. I talked to Tier 2 again and all they could do was put in a ticket to request I be unbanned...it was denied.
Finally, I gave up and asked them to delete my account. They said my account can only be deleted if I log in and use the delete account function. I pointed out how that was not possible and they said there was no other option. The whole situation reinforced my plan to never buy an Apple product.