Well that problem lies with the authorities who need to manage access routes and security better, it still doesn’t call for banning processions…
as for your exaggeration; the whole country does not come to a stand still; and its only one day if not a couple of hours; out of a whole year. You think you could find bigger things to whinge about… Like the minorities being slained everyday in pak. Just for being a minority!!
People hold protests every other day in the uk and the world; traffic and roads have to be temp blocked; its normal practise everywhere; not just in your city!!