You're stealing the gas of everyone had to drive in to work and produce the show. You're stealing the cost of electricity that they paid to have pumped into the building to drive the equipment to produce the show. You're stealing the hours upon hours of labor someone put into working late nights so they could go and buy groceries for their family at the end of the week. If someone's only source of funding paying their rent is to sell a painting and you copy it, how are they going to pay their rent? They'll just stop painting and do something else instead that you cant copy, and now you don't get to see any more paintings.
While I understand the nuances of pirating, you have a completely wrong thought process here. A lot of folks who pirate shows would not normally buy that product. You're advocating upon a physical product, which media is not in this particular case. It's not taking anything away from their revenues if it wasn't going to be a sold product anyhow.
Again, with your example of painting, your assuming a physical product. That's akin to someone stepping into a Best Buy and stealing seasons of GoT, which no one here is going to do for obvious reasons. This is digital media where there actual product is marginalized. Start thinking in terms of digital media and not physical product.