Hey Hox, I'm one of the lawnstarter guys(although I didn't write the post)
Just wanted to say I definitely agree with the work only while productive, and I do sometimes catch myself doing useless work. I personally get off on trying to build something bigger than myself though and really enjoy the work.
I'm curious about what you said regarding implied expectations. Do you see it as an issue if I choose to work that much but don't by any means reprimand an employee for not following suit?
it really depends on the situation. of course I'm being g a bit dramatic; working long hours is really hard to not do as a founder, because it really is your life. but it's not 100% your employees' lives, and implied culture is just as important as that defined by company mission and policies.