It’s a matter of resources. One copyright-infringement suit, and Beehaw has a significant, likely site-ending problem.

As a journalist, I’m always torn between the right of people to read things they can’t necessarily afford and the knowledge that this is a low-paying field that relies on subscriptions. Squaring those two positions is difficult, but using archive links is the best way to solve access without showing up on a web search with the full text.