Even in the '80s and '90s, many white Southerners were still bitter about court decisions that required racial integration of the schools. It wasn't that they were outwardly opposed to white and black people attending school together, it was that the rulings threatened their proud identity as independent Southerners.
Gamergate is ostensibly about journalistic ethics. Supporters say they want to address conflicts of interest between the people that make games and the people that support them. In reality, Gamergate is a group of gamers that are willing to destroy the women who have invaded their clubhouse.