It is not accurate to generalize that "so many" English people come across as being very arrogant. Stereotyping any cultural or national group based on the behavior of a few individuals can be unfair and misleading.
Perceptions of arrogance or any other traits can vary from person to person and depend on various factors, including individual personalities, cultural backgrounds, communication styles, and social contexts. It's essential to recognize that people's behavior and communication can be influenced by a wide range of factors, and making sweeping generalizations about an entire group can perpetuate stereotypes and lead to misunderstanding.
Cultural stereotypes are often based on incomplete or inaccurate information, and they do not represent the diverse range of personalities and behaviors within any nationality or cultural group. It's essential to treat individuals as unique and not make assumptions about them based on their nationality or ethnicity.
If you encounter someone who appears arrogant, remember that their behavior might be influenced by various personal factors and may not be representative of everyone from that particular background. Engaging in open-minded and respectful communication with individuals from different backgrounds can help break down stereotypes and foster understanding and empathy.