I agree with anna breslin. I write here and pay the membership because want to experiment and improve my writing and want to make a bit of money. I also love to see the creativity and knowledge of others.
The only other option for Medium would be to have advertising and only put content that would be approved by advertisers. This would kill the creativity and openness of the platform. So, I put my $5/month into the pot and make at least that back. There are people that pay just to be able to access the articles here.
I send out friend links sometimes for non-members who might be interested.
There is no “perfect” way and I know that some people have different issues. In our capitalist system, this seems to be a good solution. I am including a link that might help-
Your best bet might be to have a personal website where you can write for free and write here sometimes send people to your URL.