All the military had for hundreds of years were muzzle loaders, are they still all they need?
TRS-80’s were all the rage, are they all programmers need?

Shall we saddle all the EMTs with Model A trucks converted to ambulances?

Tech changes, needs change.

Hmm beat skel with nightstick and risk Hepatitis and HIV from blood transfer or just spray or tase them?

Hmm beat skel risking their death from a blood clot or spray/tase them???

Again until you’ve done the job, you have no clue what is needed.

Oh cutting that strap? That was in a rollover traffic accident.
But who needs a knife anyways.