Drupal veterans had a long time to bring their technical, social and cultural values to more or less the same level. Nobody can guarantee, that new community members will share the same culture.
I know that this topic was discussed before, and not once. Yet if I would raise core initiative, it will be about backwards compatibility.
We love Drupal for the cool new stuff. Regretfully, this cool new stuff automatically marks old stuff, which we believed to be cool just yesterday, as outdated. This happens again and again, and there are already signs that Drupal 8 will not be an exception.
