The US used to be very close to a true capitalistic society, that is why the US became so successful. Then those in power started putting in regulations, making the system less and less capitalistic, which reduced the wealth, prosperity, and freedom in the US. Now there is almost no resemblance with capitalism.

One thing people don't like about capitalism is that although everyone has equal opportunity, some people will make more of that opportunity, so people don't have equal outcomes. Some people work harder. Some people have more game changing ideas. Some people have better skills or intelligence. At the same time, people in general do so much better than all other economic systems.

Because capitalism is the most prosperous system, it allows those who are successful to help those who are hurting, especially those who are hurting through no fault of their own, i.e. health problems, learning disabilities, disaster, etc. When a person gives out of their own personal generosity, they feel good about helping. When a person is helped by another out care, the receiver is grateful for what they received. Everyone benefits. When government forcefully takes from those who worked for it those people resent the theft and when they give it to those in need the recipients feel entitled and have no gratefulness that someone worked to support them. Everyone resents the other and there is division. All of this also doesn't count the massive waste caused by the bureaucracy that maintains the taxing and the disbursement. Therefore the government ends up taking much of what could benefit the other two parties.