When people try to make spicy cocktails, the flavour can fall short. The problem isn't the heat, it's how the heat is incorporated into the cocktail.
Infusing jalapeno peppers into tequila is perfect if you want a tequila drink. However, simply putting commercial hot sauces into a cocktail usually throws off the cocktails balance. Instead, you only need to use drops of Hellfire Habanero to get the desired effect which, in this case, is a good ol bit of heat.