Well i tested with a little spider i wrote... grabs links with description and keyword metatags.. and adds it to the db.. the 50 links i added to the category had very many keywords (from metatags) about 40 or 50 per link... for some reason they were not somilar so i ended up with 2500 keywords for 50 links
of course if a human fills in the link he will rather add 1 or 2 keywords.. but if you use the keywords from metatags sometimes you have over 100 keywords per link.. ( I know that thats wrong for search engines.. but some people just put them there)
thats why i thought:
oh my gosh...
but if you add a way to disable it.. i think it would be great..
Felix