I kinda get it. Some people are imagining a Nespresso commercial from the 90's, all cozy and comfy.
I, a person who once shared an office with someone who thought air popping popcorn at their desk was a socially acceptable thing to do, can imagine a Sam Kinnison-esque vibe to the "AHHHHs".
Nothing wrong with showing pleasure or appreciation at something nice, it's other people who are repressed. Sigh at beverages, clap at movies, yum at tasty food, laugh at cat videos, smile at memories. Fuck the haters.
I don't make the ahhh sound but I do hold it with both hands close to my face. It's for the warmth and I really couldn't care less about anyone that weirdly has an issue with that. What a strange thing to be bothered by...