Because computers have more comprehensive functions. For example, the quick response of a auto quicked customer service can only be set by logging into a auto quicked store through a computer. Click a auto quickless on your mobile phone to enter a auto quickless store. Without the customer service setting function, the mobile phone cannot be set up temporarily.
At the same time, customer service can also use the computer to do some other operations while serving customers, so it should be a computer reply in most cases.