Wǎngyǒumen zài wǎng shàng tǎofá zhè míng zàojiǎ de shāngjia.
Netizens went on a crusade against this fraudulent merchant online.
Tips
usage
讨伐 originally referred to military campaigns to punish rebellious subjects. In modern usage it extends to fierce public criticism or online attacks against someone deemed to have done wrong.