"This Greasemonkey script for news.ycombinator.com will display the reputation of a user in the comment header as well as in the links' title tooltip."
It's not, and I seem to remember that this exact problem (the technical problem, but also the one you mention) was pointed out when the script was introduced.
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For those that don't know what this is...
"This Greasemonkey script for news.ycombinator.com will display the reputation of a user in the comment header as well as in the links' title tooltip."
This does not strike me as conducive to the purpose of HN.
It's not, and I seem to remember that this exact problem (the technical problem, but also the one you mention) was pointed out when the script was introduced.