The problems you mentioned do exist, but the biggest problem is Catch and Release. When one is not punished for the crime they commit, they have no deterrent from doing it again and again and again and again.
Have a friend who works for Border Patrol out of Ajo, AZ. He has 14 plus years of service.
He says everyday is a challenge to do his job, rules & regulations constantly change in.
Being diplomatic moral was high under POTUS #45.
He makes 90-100k with OT.