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There could be several reasons why the information from echo is not being displayed in .bash_profile after updating, including:

1. Syntax error: The echo statement in .bash_profile might be incorrect or contain a syntax error, causing the shell to ignore it.

2. Misconfiguration: The variables or path settings might be misconfigured, resulting in the echo command not displaying the expected output.

3. Cache issue: Updating might cause a cache issue in the terminal, preventing the updated file from being read correctly.

4. Permissions issue: The user might not have enough permission to access or change the .bash_profile file.

5. File location: The .bash_profile file may have been moved or deleted, preventing the information from being displayed.

To resolve the issue, try checking the syntax of the echo statement, reviewing the configuration settings, clearing the cache or reloading the terminal, ensuring proper file permissions, and verifying the location of the .bash_profile file.