So, 50,000 people waiting for H&C aren't inmigrant. They are ineligible applicant/ failed refugee claimant/ visitors hoping for an exemption from an immigration system has already determined ineligible. The options for any government (and believe me, a conservative government would be looking at much harsher options) are limited and the voting public (you know, the only ones that really matter to political parties) are demanding government action to revise immigration numbers down. The public's tolerance to programs like H&C, rejected refugee claims or parents deciding Canada is a better choice to live than visit is at its limit (7 in 10 want something done) and they're the ones the government needs to appease. You might feel it's pathetic, but that's the reality. Any government will have to do something, sooner than later, and show they are taking the electorates demands seriously.