Unless you love headaches, fermenting hot is a really really bad idea.
It is possible perhaps that what was intended was to start fermentation in the 60s like normal, but then when specific gravity is within about 10 points of your intended final gravity, then you can safely bring temperature up into the 80s if you wish to help fully attenuate the beer without nearly as much generation of fusels etc. that cause the wicked headaches. Now that I could agree with.
But pitching and fermenting in the 80s with WLP002 or something like that? You could try it, as an experiment.... but I sure as heck wouldn't.