I am not a fan of volunteering younger generations to do things that I wasn't expected to do.
What happen when invariably some young people just say '**** off'? The spectator article touches upon this very point.
There are also questions of practicality. Would the government arrest those that don’t comply? In the internal briefing Q and A, this is one of the questions – the suggestion is that there will be an incentives regime but they do not rule out the prospect