The reason some people use their knives as if they were forks, and vice versa, while eating at home or at a restaurant can be attributed to a few factors:
Lack of Proper Table Manners: Some individuals may not have been taught or exposed to proper table manners while growing up. As a result, they might not be aware of the correct way to use knives and forks during a meal.
Cultural Differences: Table manners can vary significantly across different cultures and regions. What might be considered proper use of cutlery in one culture may be different in another. For example, some cultures might primarily use chopsticks or hands instead of forks and knives.
Personal Habits: Some people develop their eating habits based on personal comfort and preference rather than following strict etiquette rules. They might find it more convenient or easier to use a knife to pick up small food items or to cut meat using their fork.
Informal Settings: In casual or informal settings, some individuals might take a more relaxed approach to table manners. They may use their cutlery interchangeably or in a manner that feels more natural to them.
Lack of Confidence: Using cutlery properly requires some level of confidence and skill, especially when it comes to using different types of knives for specific purposes. People who lack confidence in their cutlery skills might resort to using utensils interchangeably.
Physical Limitations: In some cases, individuals with certain physical limitations or disabilities may find it more comfortable or manageable to use their cutlery in non-traditional ways.
It's important to remember that dining etiquette can vary widely, and what matters most is that people are comfortable and considerate during their meals. While using knives as forks or vice versa may not adhere to formal dining etiquette, it is generally acceptable in informal settings and among close friends and family. In more formal or professional settings, adhering to traditional table manners is usually advisable to show respect and etiquette.