"Playing to the base often wins elections."
From the Chambers Thesaurus . . .
abject, contemptible, despicable, wicked, corrupt, immoral, evil, vile, reprobate, vulgar, shameful, sordid, depraved, unprincipled, disgraceful, disreputable, wretched, worthless, ignominious, infamous, scandalous, low, lowly, low-minded, mean, miserable, pitiful, poor, valueless
That is the Democratic "base."