There are many reasons why people love red wine glasses. Here are a few of the main ones:

Cup shape: The shape of a red wine glass allows the wine to be in better contact with the air, which releases more aroma and flavor. Red wine glasses usually have a wider rim, allowing the taster to taste the wine more easily.

Sturdiness: Red wine glasses are usually made of strong glass that can withstand the weight and pressure of red wine. These glasses also prevent red wine from breaking if accidentally knocked over.

Portability: Compared with other types of wine glasses, red wine glasses are relatively light and easy to carry and use.

Aesthetics: Red wine glasses are usually beautiful in shape and can add to the sense of ceremony and beauty of wine tasting.

In general, people prefer red wine glasses because they provide a better tasting experience, as well as advantages such as robustness, lightness and aesthetics.