Now its coming back as it has proven effective in dealing with problems of dynamic proportions.
1) VOLATILITY of the money market and borrowing / lending rates
2) UNCERTAINITY in the Political Arena
3) COMPLEXITY of the CSE trading patterns and foreign investments
4) AMBIGUITY in the messages sent to the business entities and how they decipher them .
So this is a very old theory initiated by the military many decades ago and now become popular due to the similarities in the environment we face.