ansible vs. ansible-playbook re: where they get their config

I’m using ansible 2.9.11 w/ python3.8 I’ve ssh’d into my ansible control box via putty from a Windows box. I have set Agent forwarding to true.

I have the following ansible_host:

all:
hosts:
127.0.0.1:
lister:
ansible_host: lister.rd.local

This is in my ansible.cfg:

[defaults]
inventory = /home/ewong/infra/conf/ansible_hosts

remote_user = infra
private_key_file = /home/ewong/.ssh/id_infra

Now, I have a playbook: