You are right, many don't fully understand the platform. However, they could make an effort to learn. It just seems a no-brainer to upvote the post though. Especially if you go to the trouble of commenting.

Some of these big whales are very greedy. I see many other whales downvoting them which does help. We will see how things go over time. There are many things that happen on Steemit that aren't ideal, but at least it is giving creators an income. The trash will disappear​ in time as Steemit evolves.