The chain survives on rural white American evangelicals. Without turning this into a debate, that's the fact. Forrest Gump is Citizen Kane for that group.
Burger King? Wasn't it the case I the 90s that Wendy's operated Tims inthe States, and vice versa? I remember documents to this effect when i worked for Wendy's.
edit to add: I figured out after-posting multi quote. You're welcome, mods.