Require a warrant for law enforcement to poll these databases. And make the database operators strictly liable for breaches and mis-use.
For all we know, "suspicious" travel patterns may include visiting a place of religious worship or an abortion clinic. For a future President, it may be parking near the home of someone who tweeted support for a J6'er.
(And we haven't even touched the national security risk Flock poses [1].)
[1] https://techcrunch.com/2025/11/03/lawmakers-say-stolen-polic...