Absolutely no way he turned down Spurs unless he was told he was only going to be a squad player. If he did go to a top team down there he would be found out very quickly and that's why he didn't go. So easy for people to say "I could have got a better job but didn't want to". At the end of the day he knew he wouldn't be good enough to make it down there. Good money at Celtic, easy games every week, happy days.
Just to add - Spurs midfield in 2010: Modric, Bale, van der Vaart, Sandro, Lennon. Sub midfielders: Jenas, Pienaar, Kranjca, Palacios, Huddlestone, Townsend