Although some are paid in figures resembling telephone numbers, the majority are not. And we must remember that a footballers career, on average, is about 15 - 20 years, depending upon when they began their careers.
Some are vastly over-rated, some are equally under-rated (for instance, those who do all the donkey work for the 'stars' of the side.
There are spoilt brats in all walks of life, ditto people who love themselves.
And i would suspect that most footballers wish to have a connection with their team's supporters and will therefore respect them. And, imho, it is the foreign mercenary types (who are here for the odd season or two, attracted by the wagses) who tend not to respect the fans, rather than 'home-grown' players.