We don't have access to the code, and have already suggested as much to the developers. Unfortunately, priorities have been put on things like the video player. If you'd like this addressed, upvote MadManMoe's comment on Burnie's latest journal and add your voice in reply.
Also, in response to something you said on the previous page, Captcha was implemented on sign up with no apparent change in spam frequency. It's probably people on the other side, not actual bots.