(Even the impossible part about there being more buyers than sellers)

How is that impossible? Most users will want to build up their power especially if they see significant gain in their influence.
The price is falling right now because there are a bunch of whales that just want to get out. If you look at active users on this forum most are not powering down.

In our real world, the price fluctuates, but generally trends downwards.

I suggest you look at the cryptocurrency chart since 2012

There were people saying in july and august, about the current rewards system, the exact same thing you are saying now

This is ridiculous, the july price spike was a bubble.

The problem is, you have no rational foundation for your claim that these changes you want to make will actually change create a higher demand for steem

So people buying steem power to gain more influence is irational to you?

Getting rid of cuation rewards is a good idea because it will increase the price of steem.

What value do you find in a system run by bots ?

How do you know its a good idea

Why would giving influence to 99.8% of steemians not be a good idea?