This is part of a broader pattern of the incompetent thugs at ICE taking advantage of other, actual functioning and useful parts of government to help them do their work for them. It's not just courts, it's citizenship hearings, it's the IRS, it's schools. They're trying to send a message not to push back or get in their way. It's not about this particular judge, they are sending a message that they will go after sch…
Now, putting aside that complaint, the decision to arrest Dugan is questionable for sure. My current understanding is that such an arrest is only done if the suspect is a flight risk.
It is probably wise to give this at least a few hours of detailed analysis by legal experts before we jump to conclusions or paint it with a broad brush.