I understand the point, but the difference is that enterprises couldn't move away from IE6 for years since that was the latest one. In the meantime, it got so e

I understand the point, but the difference is that enterprises couldn't move away from IE6 for years since that was the latest one. In the meantime, it got so entrenched that it was very hard to move on. Java 1.6 was released soon after 1.5, so companies that decided to stay with 1.5 are at fault, not Sun (now Oracle), which provided them with the fully compatible upgrade path.