You site was enjoyable. One might say that this structure stems from the metaphysical underpinning of western philosophy and the binaries established by Platonics. This in turn has helped reinforce the power structures that may fluctuate but ensure the doninant ideologies always resurface.
Well we do have to rely on and put simple trust in some "basic truths" but that is not what we morally ought to do; we just do it because its insufferable and frankly just impossible to doubt and derive everything. That's Hume's guillotine.