Why do people ask questions, get some amazing answers, and then not bother to pi

Question:

Why do people ask questions, get some amazing answers, and then not bother to pick best answer.?

They just let it go to a vote. I think its a bit ungrateful really people take the time to answer, yet the asker just cant be bothered to pick and award 10 points.

Additional Details

1 month ago
and yes, although I am off to do my gardening I will be back to pick a best answer.

Best Answer - Chosen by Asker: 1 month ago
and yes, although I am off to do my gardening I will be back to pick a best answer.