Because there is no way to explain it. It's stealing.
Beautiful twisting of words. Encore.
Some lazy schmuck decides that, rather than earn money and buy a game,
I like how this guy is lazy. He can't be a dad trying to unwind after working three jobs to provide for a bunch of ungrateful monsters and a bitch for a wife, no, he has to be a lazy motherforgeter that nobody will ever love that has never worked a day in his life.
they'd rather just take the game anyway.
I also like how this, obviously lazy and worthless "schmuk" is
taking it. Taking the game from whom, if I may ask? Is he taking it from the pirater? Did he take it from the company that developed it?
They try to justify it by saying "well it's the same as if I didn't buy the game". Which would be true if you didn't have the game at all. The company "lost" money seeing as there is someone out there with a full version of their game that they didn't pay for.
Again, this is all theoretical loss. The company has lost nothing in reality. There was no money used to produce the instance of the software that was downloaded.
You also seem to be ignoring two other scenarios that happen quite often:
I torrented Spore for my cousin. She enjoyed it profusely and was interested in sharing and downloading the creations of other kids. So, seeing how much she enjoyed it, I spent my money for a key which I applied to the repaired game installation so that she could go online and show other people her creatures. If I was not completely sure that this wasn't just some passing fad with my cousin, I would not have paid the money for her to get it. Maxis Arts gained $50 because the cracked version of Spore was available for download.
Likewise, I once purchased a software suite for $20 that was almost completely fraudulent. It was supposed to let you monitor network connections to the Internet that opened processes, and allow you to terminate / limit these streams so that your bandwidth can be preserved and used for more important things. This was when I was hosting ZAPT games so I needed all the bandwidth I could get. Of course, it was a steaming piece of stuff and my willingness to help a company I'd never heard of out ended up costing $20. If I would have torrented it beforehand, I would have known it was a piece of stuff and saved myself a lot of trouble. The trial version of the software implied it could do a lot more than it actually did.
It's stealing.
This is probably the greatest argument against pirating. Not because it's true, but because some people just choose to offer gratitude for the software and media that they use. Believe it or not, there are enough of these people to keep DVD sales in the billions of dollars. Pirating has barely dented the nine figure profits that movies see post-blockbuster and I don't think it will ever pose such a great enough threat that the production companies will fall because of it.