China’s internet companies and their hard-working, resourceful professionals make world-class products, in spite of censorship and malign neglect by Beijing.

A rare wave of U.S.-China camaraderie broke out online in recent days as “refugees” from the popular short video platform TikTok poured onto a Chinese social media platform to protest a now-delayed ban on the service.

The app allows users to upload short-form videos and post photos like on TikTok, but technology experts and government insiders worry that RedNote poses more of a threat to security and privacy than TikTok does — the primary reason for the potential ban.