That's not true. The idea is 2/3rds as the standard/default unit you can buy. You can also, always, just buy another one...Latest idea is to ban the sale of beer by the pint. 2/3rds only will be the largest you can buy.
Can we riot now?
Source: BBC News - Small beer: Study calls on government to shrink pints - BBC NewsThe government has no plans to remove pints as the largest serving size of draught beer, but former Tory cabinet minister Lord Vaizey told the BBC he thought it was "a good idea" that should not be "dismissed out of hand".
But it is exactly the kind of thing they would do.So, importantly, not something under actual consideration by the government.
The way that the news media cover academic studies is truly baffling sometimes.