it claims to be open source because the weights are freely available, and whether or not that conforms to the definition some consortium of folks cooked up for what "Open Source" means, anyone who can put aside their feelings of ire for Meta for 2 seconds can tell that making the weights available is meaningfully different than keeping them locked up, and exposes most of the value to the public to use, for free.

So they should call them open weights.

Gemma is called "open weights." This terminology is correct. You don't get to redefine terms just because you happened to do something that other people like. https://github.com/google-deepmind/gemma