There might be something to the idea that an internet forum will have a harder time getting away with the sort of market manipulation that the most unscrupulous hedge funds do all the time, but that's a different discussion entirely.
There's of course a related discussion of how much some people can afford to invest in the stock market each year, but it's really only partially related. I do understand where the anger is coming from, as should everyone who has been following American politics since 2015 at the latest.
What this means is, that unless you are already one of the richest person on the stock markets, your most likely outcome is that you will loose money by participating. So—unless you are already rich—your optimal strategy is not to participate in the stock markets.
If not, then I can live with it, knowing that what little interest I earned, at least it wasn’t earned by taking profits out of other workers. And in the best case scenario my savings got lent out to other members of my credit union that used it to buy homes or start businesses in my community.
Alternatively based on your posts it seems like maybe you would like investing in a ESG fund.
https://www.investopedia.com/terms/e/environmental-social-an...
I mean, it could, if you were to invest.
> Shareholders making money out of my work is not exactly in my interests, nor is it in the interest of the majority of the world’s workers.
So instead of, say, encouraging people to learn how to invest, and maybe even incentivizing firms to allocate shares to their employees, you'd rather just have the whole stock market burn to the ground?