Valles Marineris might still be tectonically active

New work suggests the giant canyon system on Mars is still shifting, not just a fossil scar from billions of years ago. For scale, it's roughly as long as the continental US and up to 7 km deep in places. If the crust there is still moving, that changes how we think about marsquakes and maybe where to look for subsurface heat. Does an 'alive' Mars make it more or less appealing as a place to eventually send people?