People focussed on really doing a great job for the company will always lose out to people who are focussed on focussed on promoting themselves, either through

People focussed on really doing a great job for the company will always lose out to people who are focussed on focussed on promoting themselves, either through grabbing creedit or parasititing on the processes. It really is evolutionary unavoidable. Otoh, it is also the reason why new entrants can displace incumbents.