Many of those condemning the regime today include a cross-section of US government, think tank, and media personalities that are themselves guilty at best of ignoring, and at worse covering up, the authoritarian nature of the Saudi regime and the various forms of systematic violence it deploys (let alone the US role in propping up the regime, providing the means of that violence, and many times participating in the actual acts of violence). 

Kashoggi himself was for a long time part of the Saudi regime of power, and only recently fell out with its current top echelons (i.e., Mohammed bin Salman) and thus defected.

Saudi Arabia's Long History of Dictatorship and Opposition