I always thought he was a repellent and a good one too. Why would you want to work under someone who for years ruled pretty much with an iron fist, who had ultimate say over EVERYTHING (he virtually appointed his successor for feck sake!) when you could instead play for a fly-by-night with zero control over the dressing room who will probably be sacked within a year, if not certainly two, who you've not really got to pay much attention to or even bother to learn their name e.g 99% of other coaches who due to the weakness and insecurity of their own position are likely to let you get away with murder.
If I was a certain type of player then working for Sir Alex would be the last thing I'd want to do.