Interesting, points and yes the value for a minnow is to get attention and more organic upvotes.
If its break-even it's worth doing IMHO.
Also for us Aussies, the bots aren't as busy between 4-7pm (local) so you may also get a better rate of return during that time.
I’ve wondered about this. You can use steemauto to schedule your posts to go out at a specific time. I’ve wondered if it’s worth doing this to try and get more traction in US/Canada timezones?