Keep in mind that you are assuming that something that costs on the order of 50 cents a month necessarily implies that only big corporations rather than individuals use it.
There are lots of people who are freelancers or founders who use email at their own domain as their personal email.
It is free for individuals, or was maybe they changed that?
I ised it for free for seversl years but just started paying in the hope of getting better support. Given I didnt I am probably going to go back to free.
There are lots of people who are freelancers or founders who use email at their own domain as their personal email.