Yeah I'm sorry but all these people who just assume you can just fix some plumbing and learn it easily are really misunderstanding the importance of specialization. I wouldn't want my neighbor to fix my water heater without prior knowledge.

I don't really want people doing half a dozen jobs each poorly but having enough people properly trained to do the right job while having enough spares to make sure people have free time and the needs of community is met. Each paid a fair and livable wage for their specialized contribution.

This hippy idea of a utopia in so many people's minds about communism is not one bound to a reality that works.