Earlier quoted context omitted.
They are technically open source. It's just that the model license prohibits commercial use and the code license prohibits bypassing the filters. So it's kind of worse than closed source in a way because it's like a tease. With no API apparently. Theoretically large companies or rich people might be able to make a licensing agreement.
> model license prohibits commercial use I thought that at first, but I think it only prohibits commercial use that breaks regional copyright or privacy laws.
There are also problematic restrictions on your ability to modify the software under clause 2(c). And nor do you have the right to sublicence, it's not clear to me what rights somebody has if you give them a copy.