Finding engineers, running interviews, negotiating offers, managing retention, and maintaining team cohesion across a growth phase is a significant operational undertaking. Most companies do not have the time or the internal structure to do it well at speed.
Every month spent on hiring is a month the product is not moving. Every departure in a small team is a setback. And building the management layer to run a new engineering unit adds overhead before the first line of code ships.
The cost of building a team is not just salary. It is time, attention, and the risk of getting the wrong composition.