I'm not being pedantic or having a go, but having just read this........
The petty bourgeoisie — the insecure class between the working class and the bourgeoisie — is hugely significant within global politics. Yet it remains something of a mystery. Initially identified as a powerful political force by theorists like Marx and Poulantzas, the petit-bourgeoisie was...
repeaterbooks.com
....and been convinced by it, what is interesting about France is the common purpose that often arises between the WC and the PB. Dan Evans reckons yellow vests was driven by the PB.
What makes this possible in France and not other countries has complex historic reasons - 1789 among them - but one thing is there seems to be more political coming together of the PB and WC in France, whereas in the UK there is more of a split