How did Morphy and Alekhine get so good at chess?

Question: How did chess players like Morphy/Alekhine get good at tactics without the computers, books, and databases that we have today?

Answer: Both Morphy and Alekhine were born wealthy in a household that valued chess. Paul Morphy learned chess at an early age by watching games between his uncle and father. A young Alexander Alekhine was taught chess by his mother and frequently played games against his older sister and brother. Again, both families were wealthy and owned libraries which undoubtedly housed books on the game of chess. In fact, I would be very surprised if both chess players didn’t study from… https://www.quora.com/How-did-chess-players-like-Morphy-Alekhine-get-good-at-tactics-without-the-computers-books-and-databases-that-we-have-today/answer/Chris-Torres-13?ch=10&share=0055924d&srid=i4Sz