This creates inverted incentives: to take as much from the pot as possible while putting in as little as possible.
Same reason as why such communal systems never work if they get much larger than one family.
Inverted by whose standards? You could just as convincingly argue that capitalist enterprises are the ones with inverted incentives: to extract as much value from workers as possible while paying them as little as possible.
That doesn't actually change in a traditional capitalist system. The only difference is that owners and upper classes have more power than the individual to make their interest of getting the whole pot for little work happen
In capitalist system owner can enforce cooperation so the pot itself grows.
The proportion that workers capture here is of course dependant on external factors, like labour market and laws.
that works great until you need to raise capital. You either need to do loans (unsuitable for early stage companies due to risk and capped upside for investor) or issue equity which brings us back to square one.
And the employee doesn’t exist to make money for their employer’s shareholders, and this entire article shows how employees can capture some of that money if they work in solidarity.