Because it is one of the key examples of how taxes trickle down.
Also, do you see those old tax rates? People love to make comparisons about how housing was affordable half a century ago, then check out the tax rates, that’s partly why.
We are at absurd tax rates and all because the government doesn’t make any effort to control their spending.
Rich individuals who are born into money will always find ways to escape these taxes, but your average person who built their wealth will not and in a decade when they hit the middle class, they will just contribute to extending the wealth gap.