I agree that improved communication, better branching management and smaller stories are a viable alternative to continuous integration. But there is still one case when feature toggle does seems to make sense. Other than the business toggle you provided as example. If building a whole new section inside an existing project, with multiple pages that only deliver value when a certain flow is complete, it’s still a good idea to frenquently merge each “100% developed page” of the flow into master and keep then hidden by a single routing toggle.

Otherwise we would be deploying features that do not deliver value. In my experience, not every feature is easily broken into incremental deliveries. Or we would keep an “epic branch” for quite sometime before merging into master.