As my ex manager once told - there is no such thing as nice people in P&L statement. Someone has to pay
It's very easy to be anxious and see the path to the dark side here.
However one of possible outcomes - there will be a valid open source competitor to Grafana ecosystems, and this along secure the rest of scene from relicensing. There is a chance it will be all win-win with clear sustainable path and no money and power struggles for founders.
I want to stay on the positive here. Time will show.