The guy doesn't know jack. You don't spend a few million dollars designing, promoting, and printing paper books if you're going to move the game entirely online. If you're creating an online game, you build, market, and sell an online game.
An acquaintance claims to be a freelance game designer and discuss things frequently with several WotC staff members. He claims that there's a move within WotC to transition D&D completely to subscription based play, because the online M:tG is doing better than the card version and that WotC is losing money on printed materials, so they plan to shift D&D's business model to follow Magic's. He cites the "The future of gaming is online" statements to be foreshadowing this, and that all of 4E, DDI and the GSL is designed to slowly move everything online.
I would advise smacking him upside the head with a copy of Ptolus.he's a liar and his debate tactics when discussing it is basically to say one thing, and then when it's refuted change it ever so slightly so he can claim he's still right.
You don't spend millions of dollars designing, promoting, and printing paper books if you're going to move a game line entirely to the web. If you're creating an online game, you build, market, and sell an online game. At this point there is nothing to indicate that the DDI is anything other than a support option for printed products and plenty to suggest that Hasbro would be the most horribly managed company on earth if you friend's claims had any merit.