You could make this kind of "just" and "bog standard" argument for anything. Just using an image for educational or illustrative purpose, just using a song for a political rally etc etc.

The fact is as a society we have decided to reward creators with copyright as a means to commercialise their creation and get compensation. Who is to say programmers are not creators and the compensation they want for open source licenses is attribution?

Microsoft really should have known better than to touch OpenAI without a 10 feet barge pole.