There are different forms of revoltuion Peter. They dont have to involve barricades and burning tyres. I doubt they ever would in the UK, but we get ever nearer to the main part of the population beolieveing the current system is unfair and maybe voting in a Corbyn or someone even further towards the authoritarian left.

That nasty man Adoph was voted in on the back of mass unhappyness. trouble was they couldnt ever vote him out again. Thats much more likely to be the pattern in the UK