>>509866162 (OP)because it's typically considered a civil offense, which means the main penalty is a fine and not imprisonment.
the lax enforcement and the lax punishment on the hiring side has always been a serious problem with our immigration law and its one of the main reasons the illegal situation has gotten so out of hand. when ronal regan gave amnesty to all the beaners in the 1980s, he set the tone for future generations. Everyone quietly kept hiring illegals expecting the crime part of it to be quietly swept under the rug with everyone inevitably gaining citizenship on a long enough time scale.