Capitalism indoctrination in progress.

Just because you follow overlapping communities doesn't mean everybody else does. As long as the post follows the community policies, there's no problem with posting the same content to multiple appropriately-themed communities.

Bruh. I only posted it one community which I was advised to do so by others. The others are other people sharing this in other communities. There's nothing wrong with sharing posts, in fact it can help people find other communities they might like.