You analysis isn’t completely accurate.
First, KiCad is Free Software. And it’s also free. That page by Altium is of course vague about the finer points, but they don’t lie about that specific point.
Second, KiCad isn’t maintained by CERN. They just help developing KiCad.
Here’s our older thead about that Altium article: KiCad Growth Numbers.
For the record, here’s a bunch of lonely developers:
To keep this thread useful, further discussion about Altium’s attidude and article should be taken to a new thread.