Just a quick google search will show that there are a couple snakes that can kill in minutes if they hit the right spot, as well as the black mamba that can apparently potentially kill in 20 minutes or less. I didn't bother looking up how fast a blue ringed octopus or box jelly can kill, nor other species that are not snakes... but there are some wicked animals out there.
The point of what people are saying is not that large constrictors cannot be just as deadly if care is not taken to be safe, even if there are people out there who are complacent and ignorant enough to think so. The point is that hots are dangerous, and certain precautions should be taken. I can argue all day about how macaws can break fingers or cause irreversable damage... but that's not the focus of this thread. The focus is on hots/venomoids.