They are posting in a state forum with the first rule being "posts must be relevant to PA", recruiting people to go join non-pa subs is supposedly not supposed to be done, on a topic they have no idea what they are talking about, and trying to get people to join a call which isn't related to PA...

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so no, she shouldn't be posting it in this forum without understanding how it in any way applies to PA unless it is specific to PA, according to the rules.