We need a separate project token to enable decentralized governance and distribute decision-making power within the community. The presale will allow us to focus on the project full-time, speed up its completion, and implement a robust marketing strategy. It can indeed operate without using any personal data (for locker-to-locker shipments), or at least manage them securely (for delivery to the address). Have you gone through the Bitpost white paper? It clearly explains how this is possible.