As a poet, Medium has been invaluable - particularly independent publications. Finally, readers! The chance to read other poets. To engage with them and become friends.
Publishing poetry into a void is a hugely discouraging process because, let's face it, most people think "poem" and wince. Even though they'll readily quote favorite song lyrics...which are poetry in another format. Publications help us confront this...and perhaps open a few closed minds.
Granted, poetry is "niche" - but it's not irrelevant. Throughout the ages, poets have spoken truths that reach and feed people's souls in a profound way. And then the world changes.