Without acting like a drama queen it's because we've shown our hand to the world by selling Ronaldo. A really "big team" wouldn't sell its best player, especially the best player in the world, and so despite being rolling in cash at the moment we're suddenly not viewed at the very top of the game anymore.
Whatsmore, its Spain where everyone wants to go again. The past few years it's been the Premiership, but with Barcelona cleaning up last year and this spending spree by Real, players all want to ply their trade in Spain instead. Which means that all the young talented youngsters being prised away from their clubs will all go to Spain instead - that's where the best football will be, or so they think.