Doubtful guest
You make a valid point.
If we choose to operate our ATC system in a way that fails dangerous in the event of human error then our ethos is flawed. If the individuals who work such a system are then going to be held accountable for their human fallibility then an unreasonable burden is placed upon us.
Every time I put a headset on I control in a way that offsets the hoops. I have upset some people along the way who see me as overly prudent but it is not my job to make up for the lack of ATCOs, runways, terminals, stands and airspace or be driven by airlines' commercial pressure. I refuse to allow myself to be exposed by the "push, push" culture.
I once heard a saying that went something like... "Profit is sanity, excess is vanity"
Rings true I think.
Point 4