I think this expectation of getting a job when you meet criteria no matter what is a result of them being new grads - that's what happens in classes or exams, you do not compete with others, you just do your thing.
Forget any use for ancestry with privacy guarantees. All you'll get is magic "ethnicity" percentages, kind of astrology of genealogy. For it to be useful in genealogy context you need to rely on matching and analyzing common ancestors, this will inherently lead to your data being shared in one way or another and possibly your identity being revealed.
No idea, which is why I recommend talking to a lawyer and not random people on the internet. Anecdotally I have heard stories of people successfully recovering web accounts via court order.
The rough part is very poor UX and lots and lots of bugs. I have to give tutorials on how to use my edge when I lend it to people, it's so easy to do weird things by accident and is not obvious what's going on.
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