We need to start treating “non-commercial” as the ambivalent term that it is.

Eg: All “non-profit” and “personal” use likely isn’t necessarily “non-commercial”, but those two can be easily identified based on who it is that makes use of the software.

So what is the definition of “non-commercial”? Nothing in itself. Eg. Creative Commons elaborates a lot on what it means in that context: https://wiki.creativecommons.org/wiki/NonCommercial_interpre...