There are several reasons why an attorney may not be responsive to their clients. Here are some common reasons:

1. Heavy workload: If an attorney has a heavy workload, they may not be able to respond to clients as quickly as they would like. This can be especially true if the attorney is handling multiple cases at once.

2. Lack of organization: If an attorney is disorganized, they may forget to respond to client inquiries or may misplace important documents and information.

3. Personal issues: Attorneys, like anyone else, may experience personal issues that can impact their ability to respond to clients. This could include health problems, family issues, or other personal matters.

4. Lack of communication skills: Some attorneys may not have strong communication skills, which can make it difficult for them to respond to clients in a timely and effective manner.

5. Technical issues: Technical issues, such as problems with email or phone systems, can also impact an attorney's ability to communicate with clients.

It's important to choose an attorney who is responsive and communicative and who will keep you informed throughout the case. If you are having difficulty getting a response from your attorney, it's important to communicate your concerns and to ask for an explanation. If the issue persists, you may want to consider finding a new attorney who is more responsive to your needs.