Sticker bombing/slap tagging EA stickers

Hey, I was thinking of producing some EA stickers with a QR code, since in my country this is quite a common way to get attention for smaller causes, specifically by bombing them on traffic lights. I'd make them free to order for anyone (with some limits) and pay for it myself. Then I realised this is actually technically illegal. Are we still grassroots enough to do this? Or do we not want it associated with us? I could understand the big institutions not wanting it, I could build a small website myself to refer to though. But I am aware this could be a stupid idea too. Just curious, the stickers always work quite well on me (might be a very regional thing, but ChatGPT just told me its common in other parts of Europe too).