What is the main purpose of learning western food?

The course content of learning western food includes:

Italian style: spaghetti with meat sauce, Italian seafood pizza, Italian fried pork chops, braised chicken breast with black pepper sauce, etc.

German style: German roast pork elbow with sour broccoli, Vienna pork chop with onion juice, mango seafood salad, German potato salad, etc.

English: English fried fish fillet with Tata sauce, snail baked with butter and vanilla sauce, lobster soup in cognac, roast lamb chops in New Zealand, etc.

Russian style: Russian tin foil roasted sea bass, Russian vegetable soup, New Zealand super T-bone with black pepper sauce, Russian roasted turkey with Kimberly sauce, etc.

American style: fried super beef tenderloin with tiger head shrimp, American baked Christmas ham with black pepper sauce, fried Longli fish lemon butter sauce, American vegetable pizza, etc.

French style: French fried goose liver, French mustard beef roll, French stewed duck with orange juice, French Gillette anchovies, sauteed bass with brandy strawberry juice, etc.

Japanese cuisine: fancy sushi rolls, sashimi platters, scallops fried in Japanese teriyaki sauce, snapper fried in Japanese teriyaki sauce, udon noodles fried with Japanese seafood, and rice soaked with Japanese salmon tea stains.

Korean cuisine: Korean spicy cabbage, fried snapper in Zhao Shao sauce, Korean stone pot rice, Korean silver needle clam soup, Korean barbecue, etc.

Southeast Asian cuisine: Indian curry chicken with white rice, Asian seafood soup rice noodles, Dongyin Gong soup, and seafood stewed in samba sauce.

Chinese dishes: fish-flavored shredded pork, shredded chicken with silver teeth, boiled Guangdong cabbage, potato-roasted beef brisket, mapo tofu, etc.

Chinese and western fusion dishes: garlic-flavored lemon grilled fish, Longli fish with red pepper sauce, seaweed pork chop roll, fresh mushroom bacon spaghetti, cheese seafood baked spaghetti, filet mignon with red onion and vanilla mayonnaise.