I can assure you that my van and my basement are totally save! So come right in stranger.

I think questions with “how”, " why", “where” etc. tend to be open. An example for a closed question would be: “Do you use apps to learn a new language?”

Maybe you could argue about “what” and “who” questions, but I prefer uninteresting questions to be filtered out by votes instead of rules, anyway, so I don’t care.

Also, even a “bad” question can be saved by a good answer, e.g. a report on language learning apps.

Thank you for being genuinely interested in the opinion of others and for explaining culture differences.