Yes, that is what marilove is saying. Considering gravity and likely positions, etc., the boiling water probably rolled right off marilove’s stomach and wasn’t of sufficient volume to transfer enough heat to pose a real danger. Whereas the dangerously hot coffee pooled–with no place to go–right in Stella Liebeck’s crotch.
The NYT video has some excessively graphic footage of the result.
Another, somewhat less gross example … I cook chicken sous vide sometimes. It involves water held at, well, let’s call it 132F degrees. 
If you put your hand in the water for a second or so, you won’t actually get burned (unless you manage to hold your hand in for more than say 3 seconds) but you will regret it. Intensely. Water is a great conductor of heat.
