Enterprise software sales techniques are often mocked but they're clearly producing results. If you're an enterprise buyer, you don't care about a hip look and getting through the sales process as fast as possible, like many small customers do.
I think comparing Adobe's page to Optimizely and declaring who is eating their own dog food does not offer any insight. In enterprise sales, there are so many other steps in sales the funnel to worry about than the web page. You need to optimize in places that have the highest returns. At most, I'd guess that Adobe is testing things on that page to capture leads that are probably not even apparent.
I think comparing Adobe's page to Optimizely and declaring who is eating their own dog food does not offer any insight. In enterprise sales, there are so many other steps in sales the funnel to worry about than the web page. You need to optimize in places that have the highest returns. At most, I'd guess that Adobe is testing things on that page to capture leads that are probably not even apparent.