[5] In 2019, Yau wrote, produced and directed the drama series Haters Gonna Stay and played its leading role Chau Lok-chau.

[9][10] Yau had zero interest in politics when he was young, however, the protests against National Education (2012) inspired him to voice out his opinion against unpopular government policies.

After the outbreak of the Umbrella Movement, Yau co-founded a political satire group called Mocking Jer in 2014.

[11] The group once had more than 30,000 subscribers and caught the attention of 100Most Magazine founder Lam Yat-hei, a local artist and supporter of the Umbrella Movement.

However, Yau was warned that his political views would hurt his future career, but he believed in the message conveyed by and importance of Mocking Jer.