I agree. Definitely more a "Heinlein's Razor" variation on "Never attribute to malice that which can be adequately explained by stupidity".
From The Jargon File (http://www.catb.org/jargon/html/H/Hanlons-Razor.html):
At http://www.statusq.org/2001/11/26.html it is claimed that Hanlon's Razor was coined by one Robert J. Hanlon of Scranton, PA. However, a curiously similar remark (“You have attributed conditions to villainy that simply result from stupidity.”) appears in Logic of Empire, a classic 1941 SF story by Robert A. Heinlein […].
In both an element people often overlook is the keyword adequately. Sure anything can be attributed to stupidity, but in many cases it’s too beneficial to the “stupid” party and/or too persistent to be adequately explained by something other than malice.
It seems like it deserves a name since in nearly any thread online involving a supposition of malice someone comes out of the woodwork with Hanlon's razor.
PS: I think I had a better name for this in the past but have forgotten it.