I'd have been pretty pissed off with one of my employees if they came up with a set of excuses that flimsy.
a) You can obviously make one cheaper than buying one, because you don't need to cover as many scenarios. Well, unless somehow it cost less than the super-premium prices normally attached to such things because they're bought by people spending other people's money.
b) Designing one takes minutes. I've done it, it's a trivial task.
c) Not a flimsy reason, but hidden by the crap reasons
d) You don't need to be a safety engineer, you need to overbuild.
Pointing out priority clashes is one thing. But refusing to do something you could easily do? Nah.
Biting the hand that feeds IT
