I always hear the argument for capitalism "B bb BUT people won't innovate without the profit motive" WRONG
Humans want to solve problems, create, and innovate, they do not need money to motivate them. Cavemen were painting art 20,000 years ago without the desire of money.
True scientists like Tesla, he didn't care about money it was about the pursuit of science.
Capitalism does not cause innovation, most new technology is found by government programs like nasa (internet, smartphones, etc)
In my point of view, all of you stated about was true cavemen do not care about money because money is not yet invented before they trading, planting and hunting are the works of old people in the old ERA. However, this millenial days you can not survive without any money. Let we say, we did not motivate to work if they will not pay us. We did not apply for work for free we also need a compensation to support our financial needs.