if you look into statistics of how many warrants are actually denied, you might be shocked. i wont, cuz ive seen it... but its <1% in some places.
the judges, and actually more acutely important in this process, the DA are a part of the corruption.
DAs are elected, and so, their motive already suspect. . they also have to work daily with the police department, and so, have incentive to be 'on their side'. the judges half the time are asleep doing whateverthefuck the DA is feeding them, and of course, no cop is every wrong for good-ol-white-boy reasons (this is not a southern phenomena) .
so imagine your typical small town with all this mild corruption and zero accountability on 'issued warrants'. welcome to the u-s-of-a