Computer game companies seem to be repeat offenders when it comes to using flags to represent languages: Bethesda and Steam have both been featured on this blog (but to their credit have since removed their use of flags for language selection).
However Canadian-based game maker Bioware has really set the bar high with this almost comical use of flags for languages:
Perhaps unsurprisingly Bioware are based in Edmonton, Alberta and not French-speaking Québec.