There are endless discussions about which is the best free-software license. People debate about which one provides more freedom, more convenience, which one is fair, or which one is the most widely accepted. All that is subjective, and mostly irrational.
What rational people do when they have to decide between A and B? They run a benchmark. Time is our most precious asset, reading a word takes time, therefor words are bad. The less words a license has, the better. Here is the definitive, 100% objective, and highly relevant license benchmark:
I think this settle the matter, the WTFPL is the only reasonable choice for everybody.