Edison had money, public appeal and backing. Tesla was a lone intellectual that most could not relate to. Even his college professors put him down when he mentioned A.C. Edison cut down DC because he couldn't understand it. He had power of the press--killed animals with AC, when DC would have killed almost as well. Called it":"Westinghoused".
You can't sell anything before its time, even if it's better. Maxim invented the automatic machine gun in 1885; The US was sold on its "one bullet; one Indian" philosophy. He could not sell his Ideas to the US, so be came an expatriate. Even England did not find full use of his gun until 1895. Einstein had public appeal, yet many of his theories were never fully accepted until his death. Yet, he even was stolid against new theories (Von Neumann, Steven Hawking) until the end. Christians couldn't accept Mohamed. Seat belts were "optional" until the late '60's, despite deaths..