fastspinecho t1_ivfug13 wrote
Reply to comment by morderkaine in We know about viruses, bacteria and other microorganisms evolving to better infect other organisms. Consequently, diseases change too to some extent. Are there any examples of human bodies evolving to fight against these disease causing agents? by ha_ha_ha_ha_hah
My point is that not all evolutionary changes occur throughout a species, so it is wrong to say that evolution "caters to the whole species" with "no regard" for individuals.
In the comments, you can find a discussion of the evolution of the human sickle cell gene. It evolved in a relatively small group of individuals to provide those individuals protection against malaria. Those individuals are not a separate species, and if evolution were actually catering to the species as a whole then the gene would never have evolved.
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