By today’s standards, that’s a pretty weak CPU at this point. I upgraded from mine not long after the Gamers Nexus review that pegged it at about the same performance as a 10th gen i3. I was already planning to upgrade at that point, but it really was a kicker.
I don’t know why he’s making this statement. Blizzard doesn’t make games that don’t nickel and dime you, much less ones people feel are worth paying extra for or even worth their cost.