While this is tecnically true its something that IS going to keep happening. The toulble is when companys start weigting down there software with anti piracy that makes the operation of the software less efficent. That puts people off, and if anything encorages pirates.
The likes of Adobe's software has been easy to crack for ages, yet there business and educational sales cover the costs, so letting a few home users get used to there software will only aid the sales when they come to use it in business.
M$ should stop trying to change the way the software market works, and put more effort into making the stuff worth buying in the first place.