Without multiquoting, I'll try and address your points.
1. If you want to go by the standard and not particularly helpful authoritarian-libertarian spectrum, the moderate left is generally more authoritarian than the moderate right, while both extremes are notably authoritarian.
2. Again, regardless of the actual results of lowering tax rates, the moderate Right believe that doing so increases individual economic freedom, that is their ideal.
3. Imperialism is by no means a logical conclusion of sovereignty, nor is their a historical basis for such a claim.
4. Racism is extremely marginalised today, and while is might have some sort of influence on the far, far-right, it also has links with the left due to the left's identification with the Palestinian cause (not that anti-semetism is in any way a natural conclusion of anti-Zionism - some people are just silly - see for example George Galloway walking out of a debate upon hearing that his opponent was an Israeli - this is outright racism).
5. Your categorization of extremists eg Al-Qaeda as right wing is incorrect, since a) it is based upon your false presumption that the Right is inherently authoritarian and b) Islamism is an entirely different ideology from Western left-right issues.
And as for your 3 scales of the various types of power, they are ridiculous.
For example with the first one, you begin with three levels describing the level at which representation takes place, then suddenly jump to "unequal powersharing"?! You go from fair with the first three, to entirely unfair. It makes no sense as a progressive scale.
As for the second, apart from presuming the free market is unfair (I agree it is but you can't make such a presumption an axis for debate when only one side agrees with it) can't really set the framework for a left-right debate for obvious reasons, it is bizarre because I presumure your idea of a "fair market" is really a "biased market", and yet the free market stands between them on your scale.
And as for the third, any leftist knows that social power is merely a reflection of economic realities, hence is should note require a separate scale.
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