One of Disney’s cardinal rules that it has more or less lived by across their theme parks has to do with sticking to the story of a particular land. For example, you’ll never find a Ronto Wrap for sale in Toy Story Land, and you wouldn’t see a Tomorrowland Cast Member walking around in their costume in Adventureland.
However, those principles were put to the test in 2021, when Disneyland welcomed guests back to Disney California Adventure with A Touch of Disney.