"If we're not filling these vacancies, how do we pay for them?"
One of the 'principles' of trying to grow the Isle of Man's working population is to ensure there's enough financial injections into government to pay for public services.
That's according to the enterprise minister ahead of a debate which will see his department request permission to temporarily switch off the work permit system for two years.
Mr Johnston maintains the move would address 'critical' labour shortages and attract skilled workers here.
And questions how services would be paid for otherwise:
Any potential disruptions to bus services 'will be communicated in a timely manner'
Unite the Union confirms Bus Vannin drivers have voted for industrial action
Promenade parking to close this afternoon
DOI committed to having conversations with bus drivers via union, says minister