The people who exploited (and were caught) were given a two week ban. They also had a bunch of their loot taken away (more loot was removed than they had gotten by exploiting - "extreme prejudice"). And then they were banned for an additional two weeks because Turbine couldn't figure out how to successfully make the deleted inventory stay deleted (even after Turbine was warned about the issue that came up).
If you think that the punishment should be more than what Turbine had originally decided, then that's fine. You're entirely entitled to that opinion. But saying that "The extra 2 week ban hurts the game as a whole more than it hurts the exploiters" = "exploiters should not face any consequences" is just absurd. How can you possibly have come to that understanding of the original post in this thread?