We are probably in a situation like the one of Firefox or wikipedia.

A (side) business is created to support the oss project, to make it commercially sustainable /profitable, and then it becomes the commercial offer the liability sunk-in the money, using the fame of the oss to feed the beast. Puting the oss project at risk in the end.

Whereas people would happily give money or pay for supporting the oss project, they are kind of forced to feed the commercial project that might not really wanted to keep the beast alive.

As other I don't really have the details, but I think that in most of the world, 1 million of recurring revenue should be quite enough to support a sane evolution of what the project is doing.