There will undoubtedly be a death spiral of sorts when it comes to gas stations, refineries, etc. where they become fewer and farther between as less people buy fuel. And that makes it more expensive and inconvenient, so more people buy EVs, which in turn...
Is AVgas in a death spiral? It's survived as a niche product for a long time.
Death spiral to gas stations? why? EV cars need to charge somewhere (and on long trip it can’t be at home) and people need to take a break and grab a coffee sometime too. They will change, sure, but certainly not die. Refineries will be fewer but we do need another products from them also.