It's a matter of adjusting your expectations, I think. I'm rarely disappointed by anything because I never expect it to be like anything else I've had.
I enjoy instant coffee but I don't think of it as or wish it were a brew substitute; it's just a different coffee drink. (I also make incredible instant coffee lattes when it's hot outside if you want the recipe!)
I like chop suey here because it's loaded with sprouts, and I like that it's not uncommon to order a chinese noodle dish and have them be homemade. It's nothing like Chinese food in the U.S., and I don't expect it to be.
And, I love the pizza here! A 12 peso Ugi's cheese pizza covered in oregano and aji is delicious. Many people have pointed out that Filo makes great pizza, and I agree.
Like anywhere else, Argentina has good and bad places to eat, and it's about finding what you like among those options. I choose not to eat Mexican food here because I don't like the Argentinean variety, but I don't blame them for it. It's just the way it is. Similarly, I don't eat beef in the U.S., for a lot of reasons; here, I eat beef several times a week.
Maybe if you all stop comparing one culture to the other (an irresistible pasttime I'm aware) you'll learn to appreciate what they have instead of wishing it were something you've had elsewhere.