As far as I know the hours are just a rough guideline, and then also used for billing. When I did my trial it was OK to do more or less, depending on what worked for me.

In the end, the trial’s outcome is more determined by results — what you did and how you did it.

How am I creating “value” for the world by allowing a for profit company to take advantage of me?

I’m creating value for Automattic.