This is why we need better language describing spices in English. We have salty spices and spicy hot spices. Even if spicy hot spices there are three very different and distinct chemicals that make spicy hot spices.

That's not even to begin to tackle the question of how to talk about the levels of the spice.

Medium sauce is water with pepper sprinkled in.

They're not wrong, though. Even their Diablo sauce is only rated to around ~15,000 SHU (though some will argue that Fire sauce is hotter and thus Diablo is actually less than 1000, myself included).

Even if the rating is accurate, that means at the very most Taco Bell sauce is barely hotter than a jalapeño, which any hot sauce enthusiast will confirm is on the lower end of the Scoville scale.

The point I'm making is that they're not bragging, they're stating simple facts.

I just believe words have meaning

If Taco Bell has sauces that are Hot, Fire, and Diablo then what are other actual hot sauces called?

It's hyperbole, like someone saying their chicken wings were AMAZING.

If by some miracle Jesus came down from heaven and made sweet love to you all night what would you call it? They've already wasted AMAZING on a damn chicken wing.

credit to Louis CK for the Jesus bit

Sounds like you might have gastrointestinal issues. Taco Bell hot sauce isn't potent enough to give you the shits.

Could also be previously undiagnosed lactose intolerance, especially if you usually order it "supreme" (which adds sour cream).

That probably has nothing to do with the sauce