That taste ends up as preparation for something is completely new to me, is this an assumption, or has been shown? Afaik taste is the evolutionary (but now outd

That taste ends up as preparation for something is completely new to me, is this an assumption, or has been shown? Afaik taste is the evolutionary (but now outdated) helper to choose non-poison and energy providing food? > Is there any benefit in using sugar replacements? Serious question? The taste joy without getting that much calories in? (Yes I know, we skew our taste and could also have joy without too much sugar, and also other ingredients, e.g. salt, but different topic).