Same. They asked for proof that I bought it, I sent the PayPal transaction ID and then they went like "lol we don't actually have any records from back then."
I made a hacked version of the old launcher after that and now a couple friends and colleagues and I run a custom server and play on that occasionally.
I made a hacked version of the old launcher after that and now a couple friends and colleagues and I run a custom server and play on that occasionally.