I think it's the same reason why sitedoc don't have vote buttons either. Both these and homenodes often get edited, whereas votable nodes (like note or sopw) are rarlely edited in any significant way, so once you vote on one the vote will correspond to the value of the content for ever.

In reply to Re: Voting in the User's Home page by ambrus
in thread Voting in the User's Home page by sathiya.sw

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