It's not always a net positive, no. If the employees make that money while not producing anything notably positive (hedge funds are a pretty good example), they

It's not always a net positive, no. If the employees make that money while not producing anything notably positive (hedge funds are a pretty good example), they're actually just sucking money out of the system, like the mythological "welfare queens" of the Reagan era but on a much larger scale, and with the pernicious side effect of looking like they're doing something useful.