> They don't really out-compete, they just use their existing vendor lock-in to gain an advantage.
For the customer, the biggest advantage of AWS' SaaS offerings over a 3rd party's (hosted on AWS) is the billing. AWS Marketplace negates that. Maybe at some cost to the provider, but I just found ScyllaDB and RedisLabs there, so it must be working for some.
> but I just found ScyllaDB and RedisLabs there, so it must be working for some.
No, it doesn't work for RedisLabs. Amazon offers managed Redis called AWS EC Redis and recently someone I knew decided to move their entire Redis (multiple) clusters from RedisLabs to AWS EC. RedisLabs lost hundred of thousand dollars.
RedisLabs is probably the vendor that foot the bill for Redis software development end-to-end.
While I understand that some people viewed a successful OSS project is akin to Wordpress: lots of hosting providers, rich ecosystems, _and_ Wordpress main company is still making good money out of it; this is not apple to apple comparison (can't compare Redis and Wordpress).
Redis belongs to the group of MongoDB, ElasticSearch, etc.
For the customer, the biggest advantage of AWS' SaaS offerings over a 3rd party's (hosted on AWS) is the billing. AWS Marketplace negates that. Maybe at some cost to the provider, but I just found ScyllaDB and RedisLabs there, so it must be working for some.