Have you tried an A/B test? I’d take the same article and post it in multiple places, then promote each location in the exact same way to see which one gets more traffic/views. It is difficult to say if it is the content itself or the location of the content that is the problem without testing.

We’ve found that LinkedIn articles work best for our agency and clients when a leadership team member publishes them and the. The company shares them. Typically this is the CEO or EVP of marketing.