Do you have any figures suggest how many units were lost to piracy?
Have you considered that those pirates in question did so as a middle finger to HB for just re releasing Rugby 06 with a new name?
Until HB comes forward and says yes the percentage that pirated Rugby 06/08 for the PC was a higher percentage then those that paided money for the game ill take it as a cheap excuse not to release this on the PC. Hell would HB even approached TRF is it wasn't for this sites dedicated modding support on the PC VERSION of 06/08.
Let's answer your questions.
I don't have specific figures, but there's plenty of evidence around the web when you've been following rugby gaming development (and sports gaming in general) for as long as I have. For a start-off I can recently refer to the information given in HB's Q&A on this very forum. They have stated that people would be very surprised which version of Rugby sold the least. That can only be a reference to '06 and to a lesser extent '08.
Why? Quite simply, people hated '04, yet '05 came out very quickly. People thought '05 was fairly flawed, but '06 was out reasonably quickly also. '06 reviewed the best with online review sites all over the place, was a big hit with the fans, people on this site (which HB had been watching) thought it was the best yet. Still, it took two years and 3 months for '08 to come out in mid '07, with the Xbox cut-out which was still an easy port either way you look at it. The Xbox was extremely pirated, if you don't know this, there's no helping you in this conversation.
'08 then went on to have no successor to date. It's all dollars and cents. If a game is profitable enough, a new version will come out. The last two obviously did not make enough. PC has been the most pirated format for years and here we are.
I have some facts to back up my version of events. You've merely come on the forum and asked me to prove myself. Why not prove that I'm wrong with some facts?
By the way, if anyone thinks piracy is not a huge problem in the world-wide software industry, then they are kidding themselves. This article came out today which I found interesting.
http://www.stuff.co.nz/technology/digital-living/3703560/Kiwis-go-unrewarded-for-low-piracy-rates
"Have you considered that those pirates in question did so as a middle finger to HB for just re releasing Rugby 06 with a new name?"
Well it wasn't exactly the same, the AI plays a little differently (still weakly though), new line-out method, new drop-kick system (which sucked) a licensed World Cup mode, Rugby World Cup challenges, new camera options, slightly altered maul and scrum mechanisms, removal of a Lions Tour. How is that the same game?
I think it was a small leap forward in some ways, a bit average in many other ways, and a step backwards in name licensing and Lions Tour removal. Still it was not the same game.
Here's an important thing to remember if you or anyone else "sticks their middle finger up" at HB (who are the only people wanting to develop Rugby games), then you are a fool trying to kill the series. We don't have another option, we have to buy these games and make damn sure they keep making them. You sound just like the kind of pirates who've helped kill this series. Well done (sarcasm in case you missed that).
"Until HB comes forward and says yes the percentage that pirated Rugby 06/08 for the PC was a higher percentage then those that paided money for the game ill take it as a cheap excuse not to release this on the PC".
Okay it's a cheap excuse is it? Wellllllllll, what's the real secret reason? They just want to **** off PC users for some random reason? There's really no piracy issue and they are just trying to **** off a segment of their market? Fooooolish view-point mate.
"Hell would HB even approached TRF is it wasn't for this sites dedicated modding support on the PC VERSION of 06/08."
Modding itself is not something any developer really cares about as long as each modder buys the original and holds onto it.