Burden of proof is on the other party. In one sentence the opinion can be summarized as "if you want increased probability of child becoming a great artist you need great commitment." That's a null hypothesis.
No. Your claim is “great commitment and pressure by parents will increase the probability of their child becoming a great artist”. The null hypothesis would be “great commitment and pressure by parents will not do anything about the probability of their child becoming a great artist”.
lazyasciiart|1 month ago