What good is half and eye/ vision system?

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What good is half an eye/ vision system?

If you understand how things work then it is obvious that it isn't any good at all.

Well perhaps as good as half a bridge.

Ya see half a bridge isn't any good for people needing to get to the other side.

It is useless as a bridge- well because it isn't a bridge yet.

That brings us back to the eye/ vision system.

If it takes a complete eye/ vision system for functionality then less than that isn't of any help.

And yes one can have a complete vision system that is faulty and that may be better than no vision system at all.

But that isn't the point.

The point is until you get that complete system you have nuthin' but parts. Parts that do not function as a vision system.

The strawman enters at this junction- 50% of vision is better than 49%.

Perhaps, but that isn't the issue.

Enter another strawman- we see organisms with a simpler vision system than we have.

True, but each of those simpler systems is complete in its own right.

The point being is that in order to respond to evolutionary issues evolutionists are forced to erect strawman after strawman. Then they tear those down and act all proud of themselves.

Strange...