Bret Easton Ellis talks to Vice.  He discusses his books and “complicated tweets.”  Makes no mention of his terrible shoes:

The Salinger one. On the day he died, you posted: “Yeah!! Thank God he’s finally dead. I’ve been waiting for this day for-fucking-ever. Party tonight!!!”
Some people didn’t get it.

I thought it was the greatest thing I’d read in a long time.
Good. That’s good. That’s what I was hoping for.

Did you get grief from friends over that?
[laughs] I did. But it was how I felt. I can’t help it. I felt that way. I was dreading the onslaught of the sentimentalizing of Salinger—who hated all of us, by the way. Cranky old bastard. It was a much more complicated tweet than it might appear. There was much more thought behind it than what you might think.