Not reliable. The most important thing to learn technology is to see whether the technology is hot or not, and whether you can find a job after learning it. Otherwise, if you waste your family's money and your own time, you will lose more than you gain. Chefs have good career prospects. It is difficult to find a job in many industries now, but chefs are in urgent need, and many places are short of excellent chefs. Chef is a skill-based profession. As long as you have good technology and skills, there are good jobs waiting for you wherever you go. Everyone knows how popular Sichuan cuisine is now, so there is nothing wrong with learning from chefs.