The new Britney Spears documentary is more about us than it is about her

You don’t have to watch “Framing Britney Spears” to be happy that it’s out there. Since debuting on FX and Hulu earlier this month, this “New York Times Presents” documentary — about Spears, her tumultuous relationship with fame, and the controversial legal conservatorship that started the #FreeBritney movement — has sparked a reckoning that was a long time coming. On Feb. 12, Spears’ former boyfriend Justin Timberlake posted a statement on Instagram apologizing for his boorish public treatment of Spears after their breakup. Timberlake also apologized to Janet Jackson, who bore the sexist brun…