Because we get a price we want and he is tied down to a longer deal, atm his contract is running down.Its certainly not bizarre and it does mean something.
Many, many footballers like to play alongside their team mates for club and country.
In your cartoons maybe they dont?
Which clubs? Lets not forget as you say, theres only a limited number. Those clubs may also not consider him to be a certain starter.
Why would that be a good thing for Everton?