It's only "just a play" when taken in isolation.  Ontario passed legislation officially singling out gender expression for protection, initially recognizing up to six genders in total, and directed all governmental bodies to accept the ideological assumption that gender is fully expressional, and has no biological basis.

Here's the OHRC:  
http://www.ohrc.on.ca/en/gender-identity-and-gender-expression-brochure

The TDSB: http://tdsb.on.ca/AboutUs/Innovation/GenderBasedViolencePrevention/AccommodationofTransgenderStudentsandStaff.aspx

And opponents of the move, who point out that this is a HOTLY contested belief within social sciences and flies in the face of much research in hard science fields, like Dr. Peterson at the U of T, have been threatened with dismissal, fines, and possibly even jail time for non-compliance.