Can purchasing anything within the system of monstrous exploitation called global capitalism be justified?

This is called manufacturing consent. News media tells you what future the elites want so it seems inevitable and desired when they force it through. Alternative futures can never be considered.

In all seriousness, visit your local library and ask them about it. Most library systems work with local authors to promote their work and regularly hold meetups and workshops for writers. Many cities have local zines, publishers, and anthologies. By getting to know your local writing scene, you can find opportunities to do readings of your work, have works published in collections, and so on.