So why do people have to pay the same percentage of taxes? by your logic that is also an unfair redistribution of wealth! So by your logic, people should pay a fixed amount of money (not percentage), rich or poor.
Progressive taxes exist for a reason: to correct the unjustices of capitalism. Why should people with the same ammount of effort in their work (like a fisherman and the president of microsoft) and not that great difference in talent, have such a huge difference of income?
Finaly, your refference to URSS is ridiculous. There are successful forms of government in Europe that are not savage capitalism and not comunism. For your information, nordic countries have more social mobility than the US so the american dream is realy a farse.
He turns his mind away from those phenomena, and having done so, inclines his mind to the property of deathlessness: 'This is peace, this is exquisite — the resolution of all fabrications; the relinquishment of all acquisitions; the ending of craving; dispassion; cessation; Unbinding.'
(Jhana Sutta - Thanissaro Bhikkhu translation)