It's not impossible for Switzerland to join the EU, but imagining it is pretty darn difficult. There's no popular support for this and after Brexit, Switzerland formally rescinded its decades-long suspended application to join, IIRC a parliamentarian said something like "you'd have to be mad to want to join now".
Post-Brexit UK the ratio of trade between the EU and rest of the world didn't change, which strongly implies there actually isn't much value to being in the single market regardless of what Europeans are told. So overall it's hard to imagine any referendum to join being successful.
It's not impossible for Switzerland to join the EU, but imagining it is pretty darn difficult. There's no popular support for this and after Brexit, Switzerland formally rescinded its decades-long suspended application to join, IIRC a parliamentarian said something like "you'd have to be mad to want to join now".
Post-Brexit UK the ratio of trade between the EU and rest of the world didn't change, which strongly implies there actually isn't much value to being in the single market regardless of what Europeans are told. So overall it's hard to imagine any referendum to join being successful.