Also, Fischer did not have computers!!
He actually did, and he defeated them: See http://www.chessgames.com/perl/chessgame?gid=1242850 or the article "When Bobby Fischer took on a computer" (https://www.csmonitor.com/1988/0622/lchs22.html)
Nice but how strong were these programs? Now a days they have about or more then 3000 elo rating. I believe then they have not even 2200 ?
Fischer