Things is, with time you will learn a bit of elisp by osmosis, if anything else by copy-pasting bits from the 'net and then playing around with it. So it is not

Things is, with time you will learn a bit of elisp by osmosis, if anything else by copy-pasting bits from the 'net and then playing around with it. So it is not very surprising that many emacs users know a bit of elisp. 10% being plugin authors is a bit surprising to me and it is possible that the survey is somehow skewed.