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Definitely also understand everyone needs to make a living. Buuuttt... projects like these would probably never haven gotten the traction they have now if they wouldn't have started out as opensource but being closed source. For example Hashicorp and Redis definitely wouldn't be where they are today if they had start out as opensource. So in that sense these license changes are a bait and switch.
> For example Hashicorp and Redis definitely wouldn't be where they are today if they had start out as opensource What makes you think there are genuine open source projects that don't get traction? Ansible is still GPLv3 even while owned by RedHat^W IBM and works fine. Any one of the bazillions of front-end toolkits, build tools, bundlers, whatever, many initiated by some company and practically all under open sourc…
In fact I strongly suspect that this license change will do more than upset existing users of their open source version, it will scare off potential new users and customers. Not only are they no longer open source, but they gave people a reason not to trust them.