How China used iPhone hack in Uyghur genocide

The transcript discusses a hack targeting iPhones in 2018, allegedly used by China to spy on its Uighur Muslim minority. The US accuses China of genocide against the Uighurs. The hack is linked to a statement by the CEO of Chihu 360, who advised Chinese hackers to avoid international competitions to prevent tech companies from fixing vulnerabilities. Consequently, China banned participation in such events, leading to the creation of the Tianfu Cup. The winning hack from this competition was similar to one used to infiltrate iPhones used by Uighurs.

What connection did the magazine make between the hack and a statement made by a Chinese cybersecurity official?

In what way did the hack target iPhones, and who were the primary victims?