Realistically, working for a lot of the types of companies you mention seems to work out quite well for a lot of people. That "a lot of people" who look down on

Realistically, working for a lot of the types of companies you mention seems to work out quite well for a lot of people. That "a lot of people" who look down on them are generally not the ones handing out jobs and such. It might matter more if the person in question is thinking of making a career change into politics or something.