The only player out of that list who compares is Scholes; Paul Scholes is the best midfield player of the last 20 years according to Xavi.
Neither Rooney or Gerrard are fit to lace Beckham's boots. Rooney has been a shortlived wonderboy, and Gerrard admittedly has been fantastic for Liverpool, but has had one good game for England in the 5-1 victory over Germany.
Beckham's vanity as a person shouldn't impact the reality that he was an extremely good footballer.
Well, the point is, he's a distinguished, popular, and famous Briton because of his skills in sport. It's not outside the realm of imagination that he might deserve to be on a bill, though that honour is usually mostly reserved for politicians or royalty.