I have reviewed the information on her profile and the only information contained on her profile is already publicly available on https://en.wikipedia.org/wiki/Greta_Thunberg
I don't know enough about privacy laws in her country to comment on whether it is against them or not.
If you believe that the profile is against Geni's Terms and Conditions - please use the report button on the profile and Geni management will review it - as Geni management will not necessarily see this discussion.