So far, it appears the following concerns were blown off:
"These constituents feel that it is the duty of the House of Commons to protect and safeguard our children from any exposure and harm that would come from giving a man access to women's public washroom facilities," Anders said.
Just wait for the first horror story. It would also appear that restrooms may have to become one-holers each and unisex except for the rooms with one urinal only. So, rather than male v. female restrooms, they'd be sit or stand. Oh well.