Overall useful. Watching it and taking notes:
I think it would be better to not morph com for e-cell. This is confusing. Not everyone does this morph and a solar based economy is simpler.
It is not obvious when you have paused the game, this is confusing.
Apparently a flow based economy is confusing so more time could be spent explaining the basics.
I think the basics of early economy are to match metal and energy income while expanding. Is this said or focused on?
The video takes a while and I don't think it is particularly focused.
For videos in general it would be really nice if you could use the default UI and settings. It is the UI which new players will see and yours looks completely different.
There is a default widget which lights up when there are idle workers.
On hotkeys; every structure has a hotkey built into the default UI. That could be used as well.