I think it is beginning to do so because, whatever may be said to the contrary, class divisions have become very fluid. The days of blue collar v white collar, those who work with their hands v those who work with their brains no longer applies. The vast majority of children, no matter what their parents occupations, go to State schools, property tenure is no longer an indication of social class. The street my friend used to live in had everybody from solicitors to bin men living in it - and it was a friendly and sociable street.
We can certainly look at political appointments and FTSE 100 companies and see that too many on company boards have identikit members, who generally have a similar privileged back ground, but below that level and for most of us we mix and match with people from a wide range of backgrounds and never really think about it. While the uniform social backgrounds of those in 'high places' must be a cause for concern too many people seem so obsessed by it they fail to look at what is happening among the other 99.9% of the population.
Mind you I am not sure that identity politics is any more viable. For example, what beyond their sexual identity do all Lesbians have in common, or all people who fall into the category BME, or the many broad categorisations of women, beyond that one stated fact. I often complain of the categorisation of older people as 'pensioners'. It tells you nothing about anyone other than that they fall into a very broad age range.
What do all Gransnetters have in common, beyond the ability to use a computer and sign-up for GN? A cursory read of half a dozen threads will show a wide diversity of social backgrounds, education, political views, social views.
I think the problem is that it is very difficult to categorise people at all these days. The only classification I think has any leg to stand on is possibly income. Whatever your class, education, ethnicity, sexual orientation, housing tenure, or all the other things currently used nothing defines, limits and opens up opportunities more than your income