Detractors, critics and agents will capitalize on the grievances of subgroups in the population for any number of reasons, but optimizing for overall social stability prevents that kind of manipulation, as can be seen in the Nordic countries [1]. The left continues to aim for a high-minded, upper middle class voter base, which will always be a relatively smaller part of any given population. In fact, if recent income inequality trends hold then that supporter base will decrease in number.

[1] https://www.lemonde.fr/en/international/article/2024/06/10/e...