Did you read the article? The title may be a bit misleading, but having read the article, it's obvious this is about how easy the tools they suggest make build

Did you read the article? The title may be a bit misleading, but having read the article, it's obvious this is about how easy the tools they suggest make building (scaffolding?) an AirBnB app, not how easy it is to build an AirBnB business.