> If the company is a money-making machine like Google, the employees will not be sad if the employee base is kept small and most stuff is outsourced to other (likewise worker-owned) companies that gets a slim margin above their cost.

Google does this already, even not being a co-op. They have a huge contractor army, and their core employees are handsomely rewarded with massive salaries.

> So I predict that this world will have a have very small, very profitable companies which have some secret sauce but hands off most of the work to big companies making much less money.

This is kinda what we see already, except everyone want to grow their kingdom, (and hire their friends and family) so it seems inevitable that the "Small profitable secret sauces" will still get diluted without strong control