Complex sentence: However, when CounterPunch emailed and requested to be removed from the list, PropOrNot obliged, and CounterPunch ultimately opined that PropOrNot was a "shallow smear campaign manufactured by amateurs".
Split into simpler sentences: However, when CounterPunch emailed and requested to be removed from the list, PropOrNot obliged. CounterPunch concluded that PropOrNot was a "shallow smear campaign manufactured by amateurs".