It says they will tweak Panda so some sites that are at the limit (gray zone, not x% sure or collateral damage) could escape.
It says site authorities will be slightly advantaged than now, they are already in top. For small players remains Facebook,G+ or Adwords to get visibility (and chance to natural links).
For small players, these often traffic changes can be daunting, without a medium-term perspective it is easier to abandon earlier. Since 2011 is really hard to make a plan for your site, longer than 1 month.