In fact, voting on considerations only has meaning in cases where reaping has been requested. For non reap requests, the consideration is like opening a support ticket - the request is either valid or not and voting has no influence on the outcome.

If you look at the notes at the top of Nodes To Consider, you'll find this:

Janitors only honor a consideration when it is consistent with site policy and doesn't conflict with their own judgement, regardless of how many 'edit' votes it has.