Yep, Cellebrite is popular among LE and my phone (a new Pixel) is able is be extracted. Even if I install a privacy OS such as GrapheneOS, I don't think it would help. The Librem phone looks nice, but it costs a lot and the camera/specs are bad.
It's really simple.
This is a really, really ignorant imperative. First of all, the criminalization of poverty and structural injustice, generally, make technically criminal activity inevitable in some communities, but I recognize that what you actually mean is "don't commit criminal acts of protest" which is still ludicrously ignorant—and cruel!
Civil disobedience, by definition, involves the deliberate violation of a law. It is, nevertheless, our duty to perform when laws or systems perpetuate severe injustices, democratic failures, or lack legitimacy.
As John F. Kennedy famously put it, "Those who make [legal] revolution impossible will make [criminal] revolution inevitable."
This is economics.