According to this answer I should be able to protect a question if it has "at least one answer by a new user aka a user with < 10 rep on the site".
Yet I do not see option to protect appearing in Bee flying between two trains. It currently has an answer by a user with reputation 1.
I see. "Users with at least 15,000 reputation can protect or unprotect any question at least a day old." meta.stackexchange.com/questions/52764/…
The same faq says that: "The system (via the Community user) will automatically protect a question that's had three answers from low-rep users deleted or 5 answers from low-rep users posted in the past 24 hours."
Anyway, it is not surprising that questions shown in HNQ which is additionally open to interpretation attracts some answerers from other sites.
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