Unit-economy & Economic feasibility.
Almost anything is possible with technology. Yet the difference between a straightforward reliable solution and a state-of-the-art experimental system that requires extensive research often lies in the details which may be not immediately apparent to those who are not software engineers.
We do rough estimates of the potential market size, revenue it can generate, revenue per user, time to attract X users, e.t.c. and compare those against fixed, variable, customer acquisition, and other costs, to reaffirm your product concept with concrete economic calculations.