mezzoblue § Validation, Moderation, Constipation

mezzoblue  §  Validation, Moderation, Constipation: "Validation matters. No it doesn’t. Validation is hard. No it isn’t. Standards are flexible. No they’re not. Does this conversation sound familiar? Updated 18 Jun 2004"
What about components added by your favorite blogging system (Blogger could be an example, no?) destroying your attempts to be standard compliant ?
Somebody HELP ! :-D