Sure, but look at the python community, 3 is still not being used everywhere because of non-backward compatible changes to the language. It's an easy thing to

Sure, but look at the python community, 3 is still not being used everywhere because of non-backward compatible changes to the language. It's an easy thing to say, but I think the success of Java was mainly due to this. I agree that tyoe erasure was a horrible compromise, and they should have revisited it sooner, but the language never left you behind.