you have to be very careful here, but in a nutshell: if you are hired for "inventive job" than probably yes. If you are hired for "non inventive" job (this is not typical for hackers) than it yours. But the details are hard.
not true. Google is a platform provider and their path is to let niche and verticals work independently. And even if in the path, Google can handle it without pick-a-brain meetings with the micro startup in order to smush them
This is an ugly post. really. For the people who are working on things right now, those who care about execution, you can help them by not shouting it in order to appear as a smart gut.