Sure, dream characters could be real beings. But couldn't the ground beneath you also be a conscious being just as well? Does that stop you from walking? Couldn't baseball gloves be the true sentient beings in our world? Should we stop throwing baseballs to each other at this thought? We could be hurting them. What about those Goombas in Super Mario Brothers? They could be conscious too! Let's stop playing Super Mario Brothers, we could be hurting them!