Earlier quoted context omitted.
What software specifically? The AWS cloud is still the leader in most products.
AWS is the leader in the cloud because of its 6-7 year head start on the competition, not because their product is better than their competitors. There was even a company built on top of AWS that made money by creating a reasonable UX on top of that product.[0] walmart.com is better designed that amazon.com. I don't know when that happened but you can take a look at two product pages for the same book and be the judg…
The design of a webpage for companies doing 100s of billions in revenue will be rather subjective and hard to change without materially affecting that revenue so I'm not sure how valid that comparison really is, or what it has to do with "better software".
I will say that building the infrastructure to power such an efficient ecommerce empire along with AWS is not trivial and you're likely vastly underestimating the quality of their systems based on what seem to be rather surface-level observations.