Did anybody say there was anything magical about workers? Since you are asking this question you must think that there is something magical about owners so why don't you tell us about that first?
> why wouldn’t they just be corrupt themselves
How would that corruption play out?
But to provide you a basic answer to advance the conversation more immediately: People must be educated to follow any society. We've never expected the checker at Home Depot to understand logistics of her store. But this is due to the division of labor, not a limitation of the human mind. When people imagine a totally different society this tends to include schools which raise people for that society. And so every person would be taught more about how all the bits fit together and how to make decisions collectively. As I said, many different schemes have been proposed and tried for what system would work best. But someone like Murray Bookchin would suggest that different regional cooperatives can make their own decisions about how best to organize. I would be remiss not to mention the Mondragon Corporation in the Basque Region of Spain. They're a federation of cooperatives with a total revenue of 13B Euro ($16B) in 2013. They do big industrial stuff, finance, retail, and education. [2]
However I realize I am talking about how really big decisions get made. Maybe you're asking about individual firms. It's past my bed time but for that look at how cooperatives are managed. This history of a grocery coop in San Francisco is very interesting. [3] Here's a list of other Bay Area cooperatives. [4]
[1] https://social-ecology.org/wp/1994/09/what-is-communalism/
[2] https://en.wikipedia.org/wiki/Mondragon_Corporation
[3] https://web.archive.org/web/20170606172106/https://www.rainb...
let’s say workers now control Amazon. all of Amazon workers. But it turns out Amazon AWS is a big part of Amazon revenue, the workers know jack about that, they either delegate authority to some aws experts and now as bans the same problem again if they ruin it. And you’re also assuming worker cooperatives wouldn’t follow profit motives - wouldn’t they? Workers want money. You want to abolish profitmotive but won’t do that. Workers could totally abuse monopoly or regulatory capture by vote
Second: It is my bed time and I regret that I cannot continue to answer by way of conversation, but I would suggest reading link [1] in my above comment if you want to see an overall picture of how such a society might be organized.
In XIX century, Russia was already THE superpower in Europe (which was everything that counted back then). Everyone else was afraid of her. She was poor, but it's possible to be poor and a superpower at the same time - you just need huge population to milk, and spend the bulk on your budget on military. Having a massive territory that's basically impossible to conquest and occupy no doubt helped as well. It meant that even if they lost a serious war, like they did against the Japanese, it was ultimately without major consequences.
Communists just continued with that modus operandi. They built oversized military, nuclear arsenal, top-notch global spying and propaganda aparatus, while the population supporting it was forced to work for peanuts - not to mention tens of millions who worked in concentration camps for free, and who either died there or had their lifes broken because of it. Even with all this ruthless inhuman exploitation, the Soviet model was just inferior and ultimately couldn't keep up with Western market-based democracies.