It helps by not having rights defeated by formal errors or little slips. Things will be decided on the merits of the value of a technology. You'll go to court debating whether an invention is new and non-obvious, whether a patent is infringed, not whether rights have been lost because you've missed a fee payment. It's a good international system that helps avoid problems and improves the stability of our IP system as a whole. A good, sensible, reasonable system that is focused on substance, not form, is good for Canadians. It avoids red tape and creates a good, certain business climate.
If you're innovating in Canada, the PLT is largely good news.