There are very few to no situations where your company or reputation or even your way of life depends on your cleaning service.

Or another way to look at this is that lawyers get paid based on their reputation. Firms with a high reputation only have the ability to hire so many new lawyers. Those positions are indeed highly sought after, because that's how you get paid well, by getting in with a firm that already has a reputation. You're going to have a hard time starting out on your own, building up a reputation. Hell, sometimes you need to have built enough of a reputation just to get a position with a firm that has a high reputation.

While people/companies are looking for the best person/firm they can afford to represent them... cleaners are still just cleaners.