I mean, I think you're missing a key factor here: politicians require money to be elected. The poor (the folks most affected by these issues) don't have the money to donate. The rich (the ones you propose taxing) do. Thus, the only ones who can get elected are catering to an audience that does not want this problems solved in this way (and indeed, one could argue, does not care to have it solved at all).
Until the problem of money in politics gets fixed, your "simple" problem is largely unfixable.
Until the problem of money in politics gets fixed, your "simple" problem is largely unfixable.