Earlier quoted context omitted.
We (the developers) can create a marketplace of micro-apps. It would be a separate business by itself.
Creating a marketplace is a big challenge. (Not building it, but getting people to care about it and use it.) Who are the existing marketplaces that you can start with? (e.g. I don't know, but does Amazon have a "marketplace" for tried-and-tested Lambdas? And this just makes me think of Zapier anyway.)
I can name https://bit.cloud/components as an existing marketplace.
It is a big challenge, yes, but also a big profit.