Testimonies of ex-smokers who switched to e-cigs dismissed in favor of prohibition

The Hong Kong government announced the prohibition of e-cigs. This ex-smoker explains how e-cigs helped him quit combustibles. His testimony and I guess many in the same vein were ignored or dismissed by the government. The arguments in favor of prohibition to 'protect the kids", advanced by "public health officials" won the day. How to reverse this?