stolen from snakesinaplane 
10 Reasons To Not Play Dota

1. Its addictive.
In 6.60 there will be almost 100 heroes to choose from. They all can be played multiple ways using
about 100 items and the combination of skills among them is almost endless. In other words, the replay
value is insane, and you will always be curious about testing out new strategies etc = ( Read more... )