You should not make your own technology judgements based solely on what other people are using. There's too many people jumping on the cloud bandwagon who have no clue what they're doing.
Sure, but a minor decision is who prints your business stationery or what kind of toilet paper to buy.
What hardware/networking platform to build your service on is not a minor decision. It will fundamentally affect the architecture of your entire system, and getting the decision wrong will potentially be expensive-with-a-capital-Failed-Company.