I don't think it performs poorly, it's simply missing functionality to stop update right away, but rather sit there wait for a bunch of commands to come in, and

I don't think it performs poorly, it's simply missing functionality to stop update right away, but rather sit there wait for a bunch of commands to come in, and then update. It's possibly missing this "mode" because of other factors (what if you never put it back in "updates enabled" mode?)