I see so many people arguing against the effectiveness of propaganda as if they think an opinion is arrived at deterministically with the same access to facts. Utterly insane.
Your understanding of the situation is incredibly naive. TikTok can selectively suppress or emphasize viewpoints that are geopolitically advantageous to China that are not as overt as "China GOOD!" or whatever you imagine propaganda to be.
On what basis? I see operating income between AWS and retail being relatively similar. The margins for AWS are much better, but retail is still driving a huge amount of profit for Amazon.
The examples specifically used above (garbage removal, plumbing) pay very well. I'd say they're valued appropriately for how little training they require.