I disagree. There are no barriers stopping men or women doing any job in Canada today. As to it being onerous, even if it is streamlined it is a costly process having to identify every job and put it into an arbitrary classification of 4 criteria. Everything becomes checkboxed. Jobs requiring soft skills become very difficult to compare and categorise.  Besides the idea of 'value' itself is silly. If a job is needed it gets filled at a particular value that it can be filled at based on supply and demand. 

Trying to suggest custodial is the same as admin is just silly. They are different. Men and women can do both.

Supply and demand solves all this. Too many applicants, lower wages, no applicants, raise salary until applicants appear!