Eh, I see where you're going. There's two ways to look at that, though. One is worrying about her sanity. The other is thinking she's an energetic, ambitious person pushing her product and company. You'll see a lot of what's in the photos if you ever delve into the world of sales teams and marketing execs. ;)
The profession is about enthusiasm and confidence. So, many people there are constantly smiling, wide-eyed, vigorously shaking your hand like you're their lost brother, telling you how happy you'll be with the product, and so on. Many of them. They're also usually successful to some degree.
