Quantity has quality all of its own. Although many different causes use flags for promotion, the obsession that certain elements of the English right have with the English flag is at a completely different level.
You may want to check the obsession that people on the left have with the Palestinian flag. Any situation is good to show it off even when it has nothing to do with Palestine.
There were definitely places where you had 7-8 of them in your view while walking random streets.