Perhaps anecdotal, but I have never got any negative response on answering “no, we do not enforce password rotation as this is against NIST recommendations.”
If you want them to change the playbook, it'll involve some schlub having to run from pillar to post between those organizations, trying to get everyone to agree to a change to this policy, and you can bet he or she is not paid or motivated to do this. If another vendor comes along who will go with the flow, they get the sale.