I stopped sharing memes after pondering the legal question of their actual contents which I could never know: steganography creating a whole other level of data

I stopped sharing memes after pondering the legal question of their actual contents which I could never know: steganography creating a whole other level of data conveyance. If I share loads of dank memes with my mom and her friend emails them all around, what sort of nefarious messaging have we picked up, and we're unwitting mules for it? Steganography means we may never know.