“Nasty Baby ” Stealthily Indicts Your Gentrifying Ways

Kristen Wiig and Sebastian Silva star in “Nasty Baby.”
Going into Nasty Baby, the new sort-of-comedy from Sebastián Silva, I was under the assumption, based on a short press release I had read, that I was about to watch Baby Mama crossed with Modern Family, with maybe a splash of faux seriousness, a la Silver Linings Playbook, but starring Kristen Wiig. Nope. Not at all, not even close. And while the movie I just described would be a lot easier t