It’s not normal in the sense that it’s not supposed to work that way and it often does work the way it’s supposed to (how’s that for verbiage!), But it’s not uncommon either.
There’ve been times in the past when it was rare to need to ask support for help with removing a device/smartapp, so we can only hope to get back to that in the future.
As far as virtual switches, try this FAQ:
Feel free to ask any follow-up questions there, or in the developers subsection of the forum where there are a lot of very helpful people:
