Rain
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One of the worst example which is a personal irritant is the food industry creating all kind of odd flavoured variations of basic products - which often only end up taking precious shelf real estate - because nobody buys things like lime and liver-flavored greek yogurt, anyway.
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Man, I'm really turning into an old grumpy man... :P
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You're not grumpy! Just getting on like we all are!
I worked restaurants for 20 plus years and managed 2 of them until I was done with it all.
So here we go ... generations on ONE BASIC soup!
Chicken Broth
Chicken Vegetable (add vegetables)
Chicken Noodle (add noodles)
Cream of Chicken
... and lastly
Mullingantawny (add curry and a wee bit of rice. Noodles will have pretty much dissipated by now)
The same for Tomato Based Soups, where you do not add the beef/meat until the 3rd generation because you lose 2 generations before it if you add the later materials. Normally on a dinner house you start with the simple one on Monday or Tuesday, so you have the livelier and more flavorful one on its 3rd generation for Thursday or Friday or Saturday.
Now, for the WORST! The hipster Chucks here in Vancouver, had a soup yesterday that made me want to vomit! Cream of Yam soup! Leftover from leftovers! And it was ugly!