Since we're actively in the midst of a national reckoning with police overreach (at a minimum), while people are getting arrested for constitutionally protected

Since we're actively in the midst of a national reckoning with police overreach (at a minimum), while people are getting arrested for constitutionally protected speech largely based on their political alignment, I think the slippery slope argument is honestly quite valid here. It's scary to me that a relative's choice to dig into their family tree will law enforcement to significantly narrow the search space for someone they don't like and happen to have a strand of hair from.