Yes, Wang Xizhi's calligraphy is mature and good.
But they are two people after all, although they are father and son.
All five sons of Wang Xizhi have studied calligraphy.
Among them, Wang Xianzhi is a little better than the other four.
However, Wang Xianzhi is always compared with his father. In fact, if their calligraphy is the same, wouldn't it be meaningless?
I believe that Wang Xianzhi works hard and he has his own advantages.