When I played Bobby Fischer, my opponent fought against organizations - the television producers and the match organizers. But he never fought against me personally. I lost to Bobby before the match because he was already stronger than I. He won normally.
Nowadays young people have great choice of occupations, hobbies, etc, so chess is experiencing difficulties because of the high competition. Now it's hard to make living in chess, so our profession does attract young people.
In my country, at that time, being a champion of chess was like being a King. At that time I was a King - and when you are King you feel a lot of responsibility, but there is nobody there to help you.
On the other hand, chess is a mass sport now and for chess organisers shorter time control is obviously more attractive. But I think that this control does not suit World Championship matches.