This extends to other things; like I eat potatoes; which were domesticated by Native Americans. I purchased mine from Lidl which probably makes a profit from them. Is that cultural appropriation?
Culture isn't proprietary to a group, and these groups aren't objectively demarcated in any way. To even say "Risotto belongs to the Italians!" is to make statements on who Italians are, and pretend that this is some immutable, objective group, and that for some reason, there is this magical doorstep that if you carry Risotto over it turns it bad. It's when the corporation pretends to "take" this cultural heritage as a marketing facade that they're appropriation something nobody owns, to then turn a profit from it.
SO, I apologize for my mangled point. Culture isn't proprietary. Languages and food and customs and songs and stories travel. This is what makes human dynamism. Cultural appropriation is the act of trying to take possession of it. The very act of copyrighting something communal is the problem.
I love that line and it makes perfect sense.
The problem is when corporations make facade copies of cultural heritage to profit from them, while the cultures that originated them not only get nothing out of it, but are actively oppressed in the meantime. That is your typical Taco Bell phenomenon (notice how Taco Bell almost never comes up in the public discussion?)
The public discussion is full of examples where some kid makes a Native American hairdress from feathers they found. No corporation profit, nothing is taken, and as long as it's not part of some roleplay where the natives are the bad guys to be killed by the good cowboys, it's also not necessarily reproductive of oppressive structures. The fact that the debate is skewed this way is already a misrepresentation.
Now, a corporation that got billions in tax credits and research from the government, making software off the labor of underpaid and overworked developers, deprived of their revenue model because someone copied it? Not cultural appropriation in the least.
A deeper point: The public-facing version of cultural appropriation is also low-key ethnic nationalist, because it objectifies ethnicities and the belonging to them, and holds them eternally stable at that. It reinforces "natural" ideas od being a member of any ethnic group, which is the exact opposite of any emancipatory discourse on race and ethnicity.