As the trend for PC sales leans increasingly toward digital distribution, with retail stores feeling their age, there are increasing rumblings about the prominence and dominance of Valve’s Steam. Today’s MCV reports, from unnamed sources, that retailers and online rivals are beginning to get a little cross with the requirement to install Steam in games they’re selling, and threatening to boycott Steam-infused games entirely. Games, they say, that require you to install some software that makes their own stores redundant. But are their arguments sound? What’s the real reason publishers are choosing Steam?