No relation. This is free, open source, where you can fully use, modify, and continue it as far into the future as you want. A paid model, you lose access if you don't adhere. With this, you're losing nothing except future development time, which you were previously getting for free. These are completely different things.

My naive interoperation of this comment section says there were quite a few people making money on this work, without helping them pay their bills.