We have to accept that we are not a large shipbuilding nation. We should keep the skills alive with maintenance and refit, because of the Cdn peso, this will be a good source of income for the big yards and their tradespeople.
Unfortunately Ottawa procurement suffers from an inferiority complex vis-a-vis the Americans, so it is always a knee jerk reaction that any Canadian procurement needs to conform to a specific list of 'Canadian' specific requirements. Not sure why, not like American equipment does not operate in high arctic conditions. It always seems strange that we need to have interoperability with the Americans, but we insist on all these Canadian specific specs.
BC Ferries have finally come around to buying offshore vessels, even with an NDP government, so it is acceptable to some extent.