Are far-left and far-right political extremes equally harmful?

I consider myself central leftist but not radical, ultra leftist. That would be already communism and socialism, against capitalism. I like a regulated market based economy.

But honestly just like all extremes in life are bad, are those two polar extremes also negative? Donald Trump seems like a radical rightwing; far right.

Are far-left and far-right political extremes equally harmful?
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