It doesn't matter what it stands for. That's not how acronyms work.
You don't say "yolwa" for "YOLO"You don't say "Ah-ih-dees" for "AIDS"You don't say "britches" for "BRICS"You don't say "sue-knee" for "CUNY" (City University of New York)
Etc.
And if you want to argue specifically about G:You don't say "Jad" for "GAD" (generalized anxiety disorder)You don't say "joes" for "GOES" (Geostationary Operational Environmental Satellite)
It's not a hill I'm going to die on, I use both pronunciations, but the only argument I've ever believed for the proper one is that the creator pronounced it "jif". https://en.m.wikipedia.org/wiki/GIF#Pronunciation
No, he did not. But I thought it was funny to say he was an immigrant, and it doubled as bait for people to call out that he wasn't. Hook, line, sinker?
Just make sure to use water that isn't boiling. Around 80°C is best. And don't steep for more than a couple minutes with Jasmine.