If you think that repeating the same sentence twice would make it a better argument, maybe you should think again. Saying “it’s not X”, when nobody claimed X is quite strange way to prove anything.

I don’t think you understand it, if you cannot connect the dots. And of course “survival for reproduction” is oversimplification of what’s actually happening. Chances for survival to reproduce of some individuals are greatly influenced by survival of their relatives in the same group. The traits that help whole group to survive will win in natural selection, including those that extend survival beyond what’s necessary to reproduce to what’s beneficial for the group.

Yes, and to get there we use immunity that is activated on demand. Clearly that was better from evolutionary perspective than preactivation or always-on.

>Antibiotics don't help against viruses like colds

Yes. But they help fighting secondary infections, which are common.

Do you really think anyone is ready to spend money on legal to prove that some piece of code is public domain/has no author? That’s an expensive bet with uncertain outcome. And of course you can recover some information only if logs exist, which might not be the case, especially if local inference was used.