it seems to me like the liberals ought to be rejecting all amendments to the bill on principle and sending it back as it was initially written. this will spark a standoff, which is necessary to assert the absolute supremacy of the house of commons.
legislation in this country is written by the lower house, not by the upper house.
https://nationalpost.com/news/politics/theyre-trying-to-take-the-whole-enchilada-environmentalists-cry-foul-over-industry-inspired-changes-to-bill-c-69