> If someone is in the process of self deporting and can show they are making good faith efforts to leave, there is no reason to arrest them.

That likely was the assumption and source of trust, i.e. enforcement's goal is to uphold order and has a sense of logic when being implemented. The current upset has a context of the breach of such trust. In other words, the enforcement now is sometimes aligned with Trump's domestic politics maneuver rather than immigration law enforcement, it is increasingly hard to not interpret new rules between the lines.