Sadly, the ones who take the time to be sure of the answer they give and stick around to put their butt on the line provide too much value in their position to be replaced, so they tend to NOT get promoted. One of the best ways to climb the corporate ladder is to actually give quick, plausibly sounding answers and move before their butt ends up on the line.
These incentive structures now give tools for mediocre bullshitters to bullshit their way through and indirectly promote proliferation of these tools.
These incentive structures now give tools for mediocre bullshitters to bullshit their way through and indirectly promote proliferation of these tools.