If a majority of people think a thing should happen, then by definition that thing should probably usually happen.
If the structure of the moment (societal norms, laws, etc) doesn't provide for it, then the outcry is the initial stage of the conversation and process where we collectively decide whether or not the structure needs to be updated. IE, figure out some new laws or legal principles to apply existing laws such that the thing the majority has decided should happen can happen.
Everything you value for yourself and consider normal today, was only the result of some outcry at some point, and at that time there were people going "oh so dramatic the outcry just ignore it"
But maybe the platform where the bird graphic was sold did not say any such thing in the licensing terms. In which case, tough luck to the artist.
And on the other hand, if there were such terms agains using the graphic as your logo then the artist should have sued and gotten a sizeable payment.
No, I don't have a good plan for how you'd calculate the distribution. But it would make windfalls more fair to the people that made them happen. And that kind of mechanism could also help fund many open source projects.
Sort of a "I pay you 100€ but if this turns out to be a billion euro thing you get you gold ticket too".
https://en.wikipedia.org/wiki/Simon_Oxley#Twitter_Bird_Logo_...
I mean, if I tell you I'm to sell something to you for 5 dollars and you will be allowed to do this or that with it, and you give me the 5 dollars and then do this or that, it's a bit ridiculous to then have an "outcry" that you were successfull at doing this or that so you owe me more.
Not trying to offend but artists willing to make bird logo for cheap are a dime a dozen, which is why those site exists in the first place, and they didn't care about which one exactly which is why they went on that site to buy it; it's ot like there was any vile or unfair action being done there.