Police often hand out conditions that seem logical on the surface, but they're just following a local formula and apply them without thinking. It can be very frustrating, especially when you realize that cities across Canada vary widely on what conditions they impose. Take a look at this table for example (I do note this is for those charged under the Young Offenders Act, however I think the point still stands): http://www.justice.gc.ca/eng/rp-pr/cj-jp/yj-jj/rr04_yj1-rr04_jj1/t2_2.html
Are we to believe that youth in Winnipeg are much more dangerous at night than youth in Toronto? I do grant that different areas may have unique issues, but this variation can't make sense.
My area is not listed in that table but they hand out no alcohol and curfew conditions like candy, even for dry events that happened during the daytime.