Someone mentioned that it should be possible to request it at a later date when needed for SARS. Best to ask them directly. It was just a little jarring, as any other person with IT and financial background would know, hitting a database error instead of a curated page smells of having absolutely no protocol for closing of accounts, I take it was due to them never thinking of it if it always stayed free, then why the need but things changed.
On leaving the profile open to access tax docs, that is exactly what I would've expected. Costs practically nothing.
I have been in communication with them all morning and afternoon, they re-activated my account so I could transfer my money out eventually. Not without it's challenges as they only opened up access to API and not banking abilities but after some more comms they sorted it and I authorised. So, should be free of them completely soon.
My journey with them seems done. Good luck.
