The bigger a company is the more it treats social media as TV or billboards.
So, the content is all vanilla and there's not enough output.
They just post for the sake of posting, without the concept of SOC or PAC.
SOC - Strategic Organic Content
PAC - Platforms and Culture
If you don't know that carosel ads now are over-indexing on Instagram, you're not going to post that.
You write an article and talk about it with a green screen behind and superimpose over the article heading - that gets you 3-4 X more viewers!