Preventing supply chain attacks for one.

Sadly I found out yesterday:

Matrix is not a community-based software, it was born [00] in Amdocs [01], a multinational corporation founded in Israel.

https://hackea.org/notas/matrix.html

Many were claiming its impossible to get contributions merged as well.

I would be happy to find out this information is wrong or outdated.

If Mozilla wants to limit their use of my input, why the do I need to give them a full, non-exclusive license?