I think it would be useful to see some kind of opinion of the majority. For any result: It doesn't mean, that the game will be changed, I just want to support the discussion of that thread.
![Smile :)](./images/smilies/icon_e_smile.gif)
To answer #1: It is clear, that belts don't run without power.
To answer #2: You need to think more to for the covering of electricity.
To answer #3: See viewtopic.php?f=6&t=21058&start=10#p137160
To answer #4: See viewtopic.php?f=6&t=21058#p133065
To answer #6: Turned of via options or by using a mod. See also viewtopic.php?f=80&t=13022
EDIT
More frequently suggested ideas about belts:
viewtopic.php?f=80&t=21106 Smart Conveyor Belts (also Smart Splitters) / Belt Extension
viewtopic.php?f=80&t=24061 New Types of Belts (And why they are NOT a Good Idea!)
viewtopic.php?f=80&t=32665 Make Underground Belt Magic More Visible
viewtopic.php?f=80&t=22305 Walking on Belts (New Power Armor module)
viewtopic.php?f=80&t=28618 Add a transport belt ghost Arrow / Belt placement cursor clarity