Not necessarily - less people means lower unemployment resulting in higher wages to attract people to your organization (income is directly linked to GDP). Phillips curve relationship.
The Economy is kinda important, especially when the big Economy Computer starts telling everyone that a downturn in Brawndo sales means they're all homeless.
With the size and scope of modern American mega-corps, we're closer to it than you'd think. Hayek's economic calculation problem is functionally solved.
that's not how capitalism works. if you're not selling enough shit you find a way to make the same people buy more or pay more. line must go up. no scaling back. line must go up.