It is not about understanding, it is about disagreeing. Both reducing economic inequality and many of the tools these movements have advocated for using would likely do a great deal to reduce systemic bigotry. It would not "solve" it, but neither would any of the non-econmic solutions put forward.
History makes it very clear that, if anything, better wages, incomes, and jobs for non-dominant classes by itself only enrages the dominant class. Just look at how years of gains for women, non-whites, and the LGBT+ community, coupled with a successful black President, led to the current backlash.
I'm not a politician, so I have no idea why you think I have a plan. I'm pointing out that the sainted one of Burlington never even addressed this.
Why does this upset you?