It's important to note that generalizing the behavior of an entire gender is not accurate or fair. People, regardless of their gender, can ignore others for a variety of reasons, and these reasons are often specific to the individual and the situation. Here are a few potential reasons why someone, regardless of their gender, might ignore another person:

Personal Issues: The person ignoring someone might be dealing with personal problems, stress, or emotional issues that affect their ability to engage with others.

Miscommunication: Sometimes, what one person perceives as ignoring might be a result of miscommunication or misunderstanding. The person might not be aware that their behavior is being interpreted as ignoring.

Lack of Interest: In some cases, a person might be ignoring someone because they are not interested in engaging with them romantically, platonically, or socially. It's natural for people to have different levels of interest in forming relationships.

Social Anxiety: Some individuals, regardless of gender, struggle with social anxiety, which can make it difficult for them to interact with others, leading to behaviors that might seem like ignoring.

Boundaries: Sometimes, people establish boundaries to protect their emotional well-being. Setting boundaries can involve limiting interactions with others, which might be perceived as ignoring.

Busy Lives: Modern life can be very busy, and people might not intentionally ignore others but simply be caught up in their own hectic schedules.

Unawareness: In some cases, a person might not even be aware that they are being perceived as ignoring someone. They might be preoccupied with their own thoughts or concerns.

It's essential to remember that communication is key in any relationship. If you feel ignored by someone, it's often a good idea to communicate your feelings and concerns openly and honestly. However, it's also crucial to respect the other person's boundaries and decisions. Every individual and situation is unique, so it's not productive to make broad generalizations about why men or women, as a whole, might ignore others.