Comment by ajmurmann
I worked at a tech company with 30k+ people for 3+ years. We avoided all these issues by trusting department leadership. Our department had 50-60 people and everyone knew everyone else just as you describe. Our VP would look over our numbers and ask some questions about outliers and of course give us our share of the budget but we pretty much operated as you described for a smaller company. This probably only worked because our product existed somewhat in isolation. Seems like an approach though that should still work for many organizations.