Mine takes at least that amount of time, plus it takes about 1 min 45 sec to get out of the campaign editor page or get to the options menu from the editor. It's very bad software design. I have a 2.4ghz, 3gb Ram, 400gb hard drive space.
The term "necroposting" was invented by a person with no social memory beyond a year. People with a similar hangup are those o.k. with the internet being transient vapor.