Imagine how fast the gossip will spread when finally a grocery store is accepting "credit cards" payments (karma). people all over the world can send their loves one karma coin with in 3 minutes into their account. they don't have to do anything else then start using to buy food and clothes for themselves.
In principal I agree with you.
In reality I think there are presently 2 issues with Karma that, if not addressed, could make this adoption problematic...
1. Confirmation time... 200 confirmations required by Exchanges means the Payment Processor holds the risk for a long time.
2. Total Coin Supply & Value... Too many zeroes (imho) for day-to-day use. Roughly USD $5 == PH 500p == 1 LTC == 1,000,000 Karma (@100 litosho)
Both these could be addressed by forking to a new wallet with supply of 920M (as suggested by someone earlier)