The percent alcohol in tequila is a big deal because it affects not only the taste but also how you feel after drinking it. Think of it like coffee and sleep - too much coffee and you're wide awake, but too little and you're still sleepy. With tequila, too much alcohol content can lead to a rough morning, while just the right amount can make for a fun night.
Imagine you're at a bar with friends, and you order a few shots of tequila. If the tequila has a high percent alcohol, you might find yourself feeling the effects faster, which can be fun, but also a bit risky. On the other hand, if the tequila has a lower alcohol content, you can enjoy the taste and the company of your friends without worrying about things getting out of hand.