Looks great, but all that leftover chemical residue..
Can the Lux rinse all those shampoo chemicals out, after that rug has been embedded with them? If not, even after vacuuming, the rug is permanently saturated with chemicals I wouldn't want to touch. A proper rinse is likely needed. In my mind, just like with laundry, rinsing after washing is crucial. I'd suggest going over it with an extractor filled with cold water, just to be safe. If you do so, I bet you'll get lots of extra dirty water as well! Happy shampooing!