Wealth (i.e. net worth) isn’t the relevant statistic for how much the market “cares” about a particular demographic. Aggregate disposable income is.
A young doctor with $100k in med school loan debt is part of that “bottom 50%” of wealth but nonetheless an extremely attractive target for “the market”.
By default, company executives are beholden to the shareholders (i.e. the wealthy).
In a healthy competitive market, they're also reactive to customer desires, but when they're presented with the opportunity to decrease competition through consolidation or other means, it's blatantly obvious where their true loyalties lie.
A young doctor with $100k in med school loan debt is part of that “bottom 50%” of wealth but nonetheless an extremely attractive target for “the market”.