When you read "instance", think "email provider". Does it really matter if you use gmail or yahoo or protonmail or anything else? In some ways yes, but in many

When you read "instance", think "email provider". Does it really matter if you use gmail or yahoo or protonmail or anything else? In some ways yes, but in many ways no. You can read emails from any other email provider. And if you don't like one, you can move to another.