Logic is good for playing chess but is often too slow for the needs of survival.
Love is a very ancient force, which served its purpose in its day but no longer is essential for the survival of the species.
Clinging to any form of conservatism can be dangerous. Become too conservative and you are unprepared for surprises. You cannot depend on luck. Logic is blind and often knows only its own past. Logic is good for playing chess but is often too slow for the needs of survival.
Survival is the ability to swim in strange water.
The most important survival ability for any life form is the ability to change.