I work in IT and have found that the issue impacts my work but not my ability to stream sports from sites of questionable legality. Of course, I don't pirate La Liga matches but that's primarily because I don't give a shit about soccer.
But the point is that the measure does more to block legitimate use than illegitimate (in my experience). And next they want to go after VPNs. Wonderful.
They don't even "lose a small amount of money." They simply gain less money than usual for a short period of time. Think of how rough that is for them.
I think it's even that they "gain less money than they could if everyone watching illegally would pay for it when they could not watch illegally" (that's usually how companies crying "piracy" calculate "losses" — "let's assume everyone watching illegally would certainly still watch it and pay the full price").