Additional sign-in or account-related issues within Microsoft Teams Free
No, that is not the case. I repeat the message from above:
I connect to myapps using my normal email address (that is, amblymoron1) as the account name. After connecting, I click on the organizations icon. The following message is displayed: Your account does not belong to any other organizations
I do not include a screen shot because there are no organizations to see.
P.S. I appreciate very much the time you are taking to work through this recalcitrant problem.