To be honest I don’t find wd-40 all that great to start with, there are better options, although usually pricier. But I don’t think it’s near as bad as you’re making it out to be.
The states pushed a similar law through years ago, and The wd-40 sold in the states already complies with the new Canadian laws of less than 25% (It has 10-20% as per …wd40.com/…/wd-40_specialist_spray_stay_gel_lubri… ) and there hasn’t been any problems with its effectiveness.