is it wrong for insurance associations to show their members contact details?
Is it wrong for Insurance associations to list all of their life insurance agents name, address, hp number and email address for the general public to access? Why some insurance companies do not want to disclose?
No it is not wrong. Most insurance professionals would want to have their contact information readily available to the general public.
There are many reasons to join an insurance association one of them being that you gain some professional

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"Business associations denounced proposals for federal social insurance as 'alien' to the American way of life."
McKnight Named to American Bankers Insurance Association's Board of Directors - Sacramento Bee
insurance Word Associations
McKnight Named to American Bankers Insurance Association's Board of Directors - PR Newswire (press release)
Home Insurance – You Could Easily Miss Savings Like These: 1. Associations also arrange discounts for their memb...