The real question isn't whether the market is saturated, it's whether it still exists once Docker gives away the core value prop for free.
https://docs.docker.com/dhi/features/#dhi-enterprise-subscri...
Paying for something “secure” comes with the benefit of risk mitigation - we paid X to give us a secure version of Y, hence its not our fault “bad thing” happenned.
I recall being an infra lead at an Big Company that you've heard of and having to spend a month working with procurement to get like 6 Mirantis / Docker licenses to do a CCPA compliance project.