OP opines, but cites no evidence, examples, or even anecdotes. If your work is slow and incorrect, your work isn't simple, it's incomplete. Also, some problems

OP opines, but cites no evidence, examples, or even anecdotes. If your work is slow and incorrect, your work isn't simple, it's incomplete. Also, some problems are irreducibly complex. Save us from "simple" and "lightweight" "solutions."