One of the reasons there aren't more working class writers/commentators imo is the fashionable 'woe is me' feature of liberal identity politics, which is antithetical to a working class sense of price.
To thrive in our culture you must assiduously promote yourself as a victim - as loudly and obnoxiously as possible. If you can't do that then you slot into the role of an oppressor; you must then self-flagellate and in a perverse logic you too become another victim of the system.
Everyone does this now. There are just as many examples on the right as on the left.
There is a strong tendency in working class culture in Britain to resist being cast as a victim or a charitable case. For good reason.
Money is obviously the main factor to be clear. But more than one factor can be at play; cultural capital is real.
*pride