“Tastes like chicken” is because we made them taste generic as a side effect of them growing much faster.
nypost.com/…/why-nothing-especially-chicken-taste…

Why chicken doesn't taste like chicken anymore
It’s an old joke — if you can’t describe a flavor, say it “tastes like chicken.” But chicken wasn’t always synonymous with generic. Chicken used to be flavorful, expensive. As author Mark Schatzker…
New York Post