Yes, building those solutions requires a lot of expertise, but I've never found the tools to be worth engaging with over just using what the standard platform tools they abstract away were replacing. Then you add in the economic rug-pull scenarios that have happened when utilizing software like this and I wonder why everyone hops on the bandwagon so easily.
What is the company they're building trying to solve that system maintainers can't already do? Isn't this just rebuilding OS windowing?