Agreed. Open source is an ecosystem. And ecosystems need to be healthy to grow. Matrix is not a hobby project that a couple of hackers implement in their free time but a large project that requires full-time developers. But if these developers don't get paid, then we (the community) won't get improvements for matrix software.

Synapse Pro is a compromise to keep the ship afloat. This is not a matter of greed, but a matter of keeping the lights on.