Arsenal manager Arsene Wenger admits he can find "no rational answer" as to why the Abu Dhabi United Group wanted to launch a multi-million-pound takeover of Manchester City.
Sheikh Mansour bin Zayed Al Nahyan will on Tuesday formally become the new owner of the Eastlands club. The arrival of the Middle Eastern billionaires has changed the balance of spending power in the Barclays Premier League - which was shown by the shock capture of Brazil forward Robinho in a British record deal from under the noses of Chelsea on deadline day.
Wenger, though, maintains the reason behind the unexpected developments in the City boardroom remain a mystery. "I don't know why these people are in there," said Wenger the October issue of the official Arsenal magazine.
"It doesn't look like they are there to make any money. So if they are not there to make money out of it, then are they buying it out of love? Well, I am not sure these people are supporters of Manchester City from a young age.
"So then comes a further question: Why are they doing it? Why have they bought the club? I can't really find a rational answer."
Wenger added: "If it is just a toy for them then it is even more dangerous.
"You can have 20 billionaires in the Premier League, still only one can win it and one will come last.
"The problem is that when these people who have bought into football get tired of it, what will they leave behind? That is the real question you can ask.
"If their investment is purely strategic, based on the market interest, then they could easily decide one day that it is not strategic to be in that market any more, and then they will leave."
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