I said if he wants to leave Dortmund it would surely be for a better team, or at least one on an equal footing right now. I'm sorry but Dortmund are better than United as things stand. They play terrific football in front of 80,000 amazing supporters, with a brilliant progressive coach driving them on to better themselves. They are a big club, rich, pay good wages and reached the final of the Champions League last year. They are a team on the upside, United are arguably regressing. The Bundesliga is really expanding its reach and with that comes greater monetary benefits. Maybe Gundogan doesn't see United as a step up? Just a thought.
Bayern, Real and Barca pay top wages and have star appeal for obvious reasons beyond our control, but there are all sorts of factors determining a players choice of club. Footballing philosophy, manager, stadia, potential, teammates, money etc. As well as Arsenal you could throw City and Chelsea into the mix. Both have appeal in similar/differing ways. Arsenal have a great stadium, great manager, great footballing philosophy, potential, are cash rich and can now, and are prepared to, pay top wages for talented footballers. They also have 2 of his international teammates on their books.
I think you have your head a little in the clouds sometimes Nev. United are not the default destination for players after the big 3, there are new players in the market and it makes acquiring a player of Gundogan's class all the more difficult.