Hm... o.o Good question, didn't even think that far x)

But I guess the person who makes the products could consider paying part of the profits out to the artist who drew the logo?

Sure, but step back - Nostr creators didn't coin purple ostrich and the name?🤔 I'm not sure making merch off somebody else's company would fly. Maybe they're ok with anarchy, but if there's profits...🤷🏻‍♀️