They were going to make it a democracy in the 60s until China said they’d invade if they did.
> China's leaders explicitly wanted to "preserve the colonial status of Hong Kong".[21] Liao Chengzhi, a senior Chinese official in charge of Hong Kong affairs, said in 1960 that China "shall not hesitate to take positive action to have Hong Kong, Kowloon and New Territories liberated" should the status quo (i.e. colonial administration) be changed. The warning killed any democratic development for the next three decades.