Earlier quoted context omitted.
Pricing (both cheaper and more predictable), and reduced complexity.
Interesting. I'd have thought these giants would have better pricing because of the scale...
Personally, the only thing I know of that is a true deal vs. competition is cold storage of data. Using the s3 glacier tiers for long term data that is saved solely for emergencies is really cheap, something like $1/100GB a month or less.
AWS is usually not the cheapest EVER when it comes to offerings like EC2. If you aren't doing cloud-native or serverless at AWS, you're probably spending too much.