Some say the process amounted to little more than a typing competition.
"We don't have the resources for that kind of half-baked, impractical plan."
Liberals have argued the issue amounts to a "challenge."
Tory MPs blame the PM for an influx of asylum-seekers in Canada.
Ontario upped its $72-million ask to cover asylum seekers costs to $175 million.
Doug Ford wants the federal government to write Toronto a $72-million cheque.
Ministers tried to calm concerns about border crossings in Quebec this week.
The month is deeply personal for some of them.
Three-quarters of Canada's population growth comes from immigration, up from less than half in the 1990s.
Feds say there are "no advantages" to crossing the border illegally.