Also, DingTalk made a video on Bilibili, begging its users to give higher grades (in Chinese): https://www.bilibili.com/video/av89441613 https://www.bilibili.co

Also, DingTalk made a video on Bilibili, begging its users to give higher grades (in Chinese): https://www.bilibili.com/video/av89441613 https://www.bilibili.com/video/av89441613 The video has got 10M plays in five days.