An e-commerce client I've been working with had to remove all of their informative content pages (blog, how-to guides etc.) from their shop *for reasons*.

They decided to redirect the URLs of the removed pages to the home page.

Here's what happened to their SEO performance: They obviously lost all organic search traffic to the removed pages.

Their home page and category pages also lost their best rankings (and organic search traffic and revenue).

Before, their home page and category pages had great rankings and generated very good SEO revenue: