I don't see how that's helpful at all, I can't simply remove all <script> tags as I need my users to be able to place javascript in their templates. This solution would prevent that completely.
I need a solution that prevents third party applications from injecting code into your editor. That doesn't seem like too much to ask as they shouldn't be able to do it in the first place.
Jonathan
EDIT: Please remember that this is not a Skype issue. This happens with LastPass as well as Skype, and probably others that we just haven't seen as well. There is no way to determine who's code we would be removing by HTML tags.