By socio-economically crushed, that is essentially what I was referring to. Until some hypothetical post-scarcity future rolls around, we can't be in every household stopping every abusive parent or helping every kid have a quiet study space. But in a developed country, I would still wager that for the vast majority of people who could enjoy social mobility from coding, the extrinsic pieces are there for the most part, the awareness of the possibility is there, and the main obstacle is having enough intrinsic motivation/ability to get there.

To be perfectly clear, I am not making a by-the-bootstraps argument, just trying to look at the situation as objectively as my biases allow me to. It might be far, far easier for the scion of a tidy bourgeois home to make it, but unless they have the right personality type they are still highly likely to fail eventually. They'll go further than a student with the same personality type but fewer resources, but the roadblock will still appear later in the sequence, possibly at the very end. Conversely, a disadvantaged kid with the right personality type will typically have the possibility to get to the launchpad zone towards a better life. At the very least, the conditions and probability distributions have never been better compared to other careers and aspirations.

What could change this is to have better opportunities for mediocre coders, but it appears to be going the opposite way. Due to the extrinsic rewards there is now a glut of such employees that might pop their own code-monkey bubble soon while leaving the outrageous tech salaries for the higher tranches intact for at least a bit longer (if there is in fact a separate bubble as well for the latter).