Of course the theory of Tabula Rasa is correct. Take babies for instance and how they gradually learn from people what they never knew.
The theory of Tabula Rasa has been proven to be false.
Babies are hard wired to feel jealously, for example. It is not a learned trait. The baby that cried the loudest got the most attention and was most likely to survive.
Babies also know to hold their breath underwater from birth. Explain where they learn that from?