In this particular case? Because SLJ himself decided to. In TFA, it mentions that a) SLJ hasn't posted since December 31, and b) voluntarily gave an interview.

In this particular case? Because SLJ himself decided to. In TFA, it mentions that a) SLJ hasn't posted since December 31, and b) voluntarily gave an interview. > Now that Startup L. is retired, Thompson doesn’t mind the secret getting out.