I'm more inclined towards Bourdain – Bourdain's body hasn't been released, pending autopsy. So, suspicious death, imho.
http://www.vulture.com/2018/06/authorities-release-statement-on-anthony-bourdains-death.html
"Toxicology reports are currently being performed, Rocquigny added, with an autopsy being the “top” priority."
Spade's death has already been ruled a suicide.
https://chicago.suntimes.com/news/kate-spade-autopsy-suicide-hanging/