The rocks, to a great extent, look swept clean. It's a much cleaner surface than what we had a right to hope for.
The thing that sets Mars apart is that it is the one planet that is enough like Earth that you can imagine life possibly once having taken hold there.
It's not going to fill in the potholes. It's not going to put a roof over people's heads. What it does is it helps to address really fundamental questions of who we are, where we came from, by which I mean we can learn how life came about.
These rovers are living on borrowed time. We're so past warranty on them. You try to push them hard every day because we're living day to day.