I have only ever really used AWS. It is the most-used, as far as I can see in the consulting world. That being said, they were the first big one and have held that lead, no matter if they are really better or not.
Discussion
It’s rather funny that everyone says cloud is the way to go - everyone I’ve spoken to have found out they getting absolutely rugged by the fees.. I’m very new to the data space but what I’m hearing is that people are crying!