On top of that, missions are heavily incentivized (in an "our success depends on this" way) to solve only the problems they absolutely need to solve, due to con

On top of that, missions are heavily incentivized (in an "our success depends on this" way) to solve only the problems they absolutely need to solve, due to constraints on time, budget, and manpower. It's an incredible feat to achieve what they do, but reuse and non-specialist use are non-goals.