An Org. needs people working together, using its resources, towards its goals & mission, within its framework of methods, rules, and policies.
An Org. is more than the sum of its members and their work. It has a formal, legal existence; it can "die" thru bankruptcy and be "reborn". It can be taken over by a more powerful org - along with its assets and liabilities. A
Most Orgs. (all 4 types) have employees who do the work and depend on this job for their income/ livelihood.
Unemployment on a large scale is a major societal problem when it happens.
On any scale it is a big personal problem.
The interests of workers and customers or beneficiaries are not always aligned but need to be. Both are important.
The interests of workers and owners (represented by senior managers) are not often aligned. You don't have to be a Marxist or a pro-union leftist to see that.