Since nobody has mentioned it, if you eat Skittles or gummy bears after a workout it makes you feel so much better, at least in my experience. If I don't eat sugar I feel like I need food urgently.
TL;DR: Eating Haribos after workouts doesn't benefit your body. People who are having controlled treats and cheats during their diet plans may be less obese (correlation). The author of this article concluded there's a causality between eating Haribos after workout and being able to stay on your diet plans based on anectodal knowledge.
Huh? It's well known that it's good to have carbs after working out. The problem is when you're just eating carbs without using the energy because then it gets stored as fats.
I don't know if the particular comment you responded to is meant as a joke, but in my experience, a sugary drink after a hard workout does feel amazing. I get this post-workout thirst that no amount of water can quench, but a Gatorade will always do the trick.