I don't pirate my software, I buy or wait for sales. (pcgamesn.com)
The other answers are good, but no one touched on the other part of the question relating to why people pirate software. (law.stackexchange.com)
The CJCH team, led by senior partner Stephen Clarke (pictured), investigates the use of pirated software in these countries and takes the appropriate action against the infringers with the aim of either regularising the situation or stopping the misuse through the legal process. (lawyer-monthly.com)