> an interesting product launch

This looks less like an "interesting" product, and more like a case of pivoting a commercial product that isn't making enough money into an open source one in the hope of at least gaining some credibility from all that work as well as undercutting the competition.

> They've built something genuinely useful and interesting

This core product has been around for years now. If it was that interesting and useful, more people would have likely paid for the original offering.

I would certainly recommend taking this 'release' with a touch more cynicism.