There appears to be a variety of mechanisms proposed. I assume some of them, at least, will be able to be fooled one way or another. But if not, a $5/month VM in another country and a VPN tunnel should do the job.

Australia requires ID to purchase alcohol yet alcohol usage among under 18s is widespread.

My point being is that it won't be as easy as simply saying you were born in 1970. You will need to use other avenues to circumvent the checks.

And yeah, majority of Chinese people use a VPN to get around similar blocks.

And the Nicotine situation... The "government" sure got a good handle on that.

It's perfectly legal for under 18 year old Queenslanders to consume alcohol.