I still have trouble trusting a company which I primarily know as "that all-round webshop" to get involved withy my tech stack. It feels as-if McDonalds would over night offer server infrastructure and get away with it.
If you were an up and coming fast food burger joint that was going from 1 shop to 2 shops, and possibly more shops, you sure as hell would want to ask McDonalds for it's strategic advice and further advice on how to run your burger shop as well as possible. They've been there, they've done it, not that you need to follow their guidelines, but you definitely want their knowledge in the back of your pocket. They've got about 70 years of experience.
Same with Amazon, who has to keep Amazon.com online or they lose massive amounts of money.
They converted 100% in 2011 according to Jon Jenkins https://www.youtube.com/watch?v=dxk8b9rSKOo#t=449