The article omits the really obvious solution: don't use all these cookies on your site. Many of us use google analytics for convenience but in reality there's really no reason for it on most sites. Basic login or technical protection measures are all perfectly fine - so storing an IP to make sure you're not getting ddosed is not an issue. This law is not aimed at the average homebrew website or restaurant menu page…
If the law actually said that, it would be great.
You never want laws to be ambiguously applied and to presume exemption because "it wouldn't happen to me". People will abuse laws: there will be spam scams aplenty selling snake-oil solutions, and ambulance chasers threatening to sue companies because they can. Excess legislation comes at a cost.
I am in favour of better privacy but I fail to see how counting unique visitors on a blog should become a crime. By setting the standard that everyone is violating the law, you encourage everyone to ignore your law.