Ummm, when the bars empty out you want people driving home?
To be clear, I think being profoundly intoxicated is generally bad idea, even in private, never mind public. But back in the real world where drinking is legal, I think the options of booting the drunks off transit, writ large, for nothing other than being drunk is an odd idea and likely has consequences worse than where we started.
As it stands, there are criminal charges available for 'drunk and disorderly conduct' (now called 'causing a public disturbance')
S. 175 of the criminal code; but to apply that charge, you actually have to be doing something wrong while intoxicated, beyond merely being intoxicated.
There is also the more common legal remedy if you've gotten under the skin of a police officer, which is a the provincial charge under S.31 of the Liquor License and Control Act:
View attachment 704146
But again, if we started aggressively enforcing this we have a few problems, it applies in parks, on sidewalks, etc etc.; you have to be even-handed, not arbitrary.
We have no where near enough holding cells or detox space to 'drunk tank' everyone it might apply to......
We need to be more pragmatic in how we address things.