No matter who got the better deal, I wouldn't call it a scam if two billion $ companies agree on a price for a business after due diligence. Sometimes both win (because one can use the asset better than the other), sometimes the price is too high or too low. Doesn't mean they got scammed.
I doubt we'll ever get the full story of what happened, and how much Nokia told Microsoft of the state of the business that changed hands. But you are, of course, right; it could just as well have been a really, really bad business deal for Microsoft.
> "...it could just as well have been a really, really bad business deal for Microsoft."
I think that's the more likely explanation. Remember that Steve Ballmer was crazy enough to also try to buy Yahoo, which would have been an even bigger disaster for Microsoft.
