Yes I would largely agree. One useful distinction is about the scale or context of applying the base idea - Facade is typically a code class level pattern, whe

Yes I would largely agree. One useful distinction is about the scale or context of applying the base idea - Facade is typically a code class level pattern, whereas Strangler as described here is an application or service pattern. At a scale in the middle is the DTO pattern, representing a facade on the data objects internal/external to a service.