Your opinion 100% true and sensible. CNB-LKO-BBK travelling was much better 5 years ago by present day scenario.
Vande Bharat as a concept which is faster with current infrastructure is a good option but if IR upgrade infrastructure and doubling/tripling/quadrupling will help each and every train.
When we have not technology to see signal aspect inside locomotive we can not achieve our mps and we have to simply brace for delay in fog. No any train like VB, shatabdi, rajdhani will spare from it.