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Full ambidextrous can be a gift. My late sister was ambidextrous. Among other things, she was an artist in oils, at which she was ambidextrous.
She was great to watch work at things...if the left didn't work well for a given task..use the right. Didn't matter what the task.
On the other hand, I have one brother who is as solid left as I am right, and he knows very well, the world set up for right handed people. He does fine in spite of it though.