A number of colleagues have commented how clear my picture is during Teams calls. This is how I achieve a good image.

Microsoft Teams started giving the error message Due to org policy changes, some chat and calling features are no longer available. Continue your conversation here on existing chats with contacts external to my organisation.

By joining PowerCLI to interrogate a VMware vSphere environment and the Webhook API to post Microsoft Teams messages, we can send informational reports on the state of a virtual environment to channels in Teams.