Hiya Inge12, Seji:
2. It would provide an exploit for spammers that is much easier to circumvent, reducing the effectiveness of the plugin.
2. Redirect these requests to the page that submitted the comment - even though this means 1% of comments getting lost in the ether (I host several websites so I get way too many comments), the user experience will no be affected for these users.
Steven de Salas