Fischer was the most talented in the world.He he had a good psychoterapist to deal with emotions and paranoia and to keep him playing and acess to the more modern anad techinical way of training that kasparov had, he would be the best one.As he stopped earlier in his career, the most shinning carrer is lasker's and Kasparov's career.As Lasker really had not strong opponents and Kasparov was the one more far from the second placed player (Carlses is the second more distant from the second bests) He was the best of all time.Fischer would have been if he had a different life after his primer and Carlsen, Caruana ands Nakamura, as very focused players in their training, using engines to train and being youngs have a small chance of being even better thanKasparov in their carrer in the long standing.Also, there have a lot of goods opponents to learn with more money and glomours acess and more good tournments to play against the prodiges and the strong "oldies" that are form Kasps generation (Short, Polgar, Topalov, Krammik...).
Even other young super GM's can surpreend in the neext 5-10 yeras...
Bobby FISCHER.
I completely agree.