What do you mean what's my point? I already made it. I didn't say any little old lady thank you. I'll repeat it just for you.
Kind people are fiercely protected by those who know them. This kind of adds a little extra to trying to compare animals to humans using darwinian theory.
The sword I use is the sword of kindness. I'll leave you to work that one out.
Frankly, that's meaningless. All that does is shift the requirement for your defense to somebody else who may (or may not) be willing to protect you. It also doesn't work - just look at all the kind people slaughtered throughout history.