Well, even the old school intarweb is probably going to be filled to the brim today with thoughts about the announcement that 5th edition is rolling toward playtesting. This is particularly true given that WotC is specifically invoking 1977 play as being something that they want to be able to emulate with this edition.
Clearly, the strategy is to cut off the trend toward increasingly powerful splinter groups mainly represented by Pathfinder and (gasp) the OSR. Joe Goodman's game is probably a factor as well, even though that game isn't squarely in the retro-rules camp.
Although no single factor about the OSR is individually large enough to create a blip on the WotC radar screen, I suspect that the volume of posts about the OSR in the mainstream gaming internet has created a cloud of tiny blips that actually register alongside the much bigger rebel battle-cruiser of Pathfinder. Perhaps we're a cloud of x-wing fighters, or something.
In any case, I think WotC has actually realized that the number of people playing the older versions of the game is actually a significant number. I doubt that they actually care about anything other than getting us to buy stuff and to shut up about how you don't have to play the current in-print edition, but it's better than a poke in the eye with a sharp stick.
Or maybe they just twigged to the fact that the people who currently have kids in middle school are the people who played original and first edition D&D...
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