1. Depends on what you mean by new - the system used (one weight map per joint, dual quaternions) are not particularly new or exotic in general. I believe it's the dual quaternions that re the main challenge for Carrara

2. Perhaps, but open to interpretation

3. Assertion of unsubstantiated speculation as if it was fact

4. Assertion of insults as if they were facts.

That's not an argument, it's a wild guess in fancy dress.