It's not baseless. The reason he gave is incorrect, but it's not baseless. It's a problem with the First Past the Post election style, where there is a clear imbalance between the Seats you get an the % of people who voted for you.

If you can give me a logical reason why 38% gives you anywhere close to a majority mandate, especially one that is used to pass multiple dangerous omnibus bills, then I can recommend a great career for you at the CPC.