Blog posts on an ecommerce website should have comments for several reasons. First and foremost, comments allow customers to engage with the content of the blog post and provide their own thoughts and opinions on the product or service being discussed. This can create a sense of community and encourage discussion among customers, making the blog a more interactive and engaging platform.

In addition to fostering engagement and discussion, comments can also provide valuable feedback to the ecommerce website's owners. Customers may point out errors or offer suggestions for improvement, which can help the owners create better content and improve their products or services in the future. Moreover, comments can provide insight into the audience's interests and preferences, allowing the owners to tailor their content and offerings to better meet their customers' needs.

Furthermore, having comments on a blog post can increase its visibility and reach. When customers leave comments on a blog post, it may be shared on social media or linked to by other websites, which can drive traffic back to the ecommerce website. This can help to increase the website's visibility and audience, potentially leading to more customers and sales.

In conclusion, blog posts on an ecommerce website should have comments for several reasons. Comments foster engagement and discussion, provide valuable feedback, and increase the website's visibility and reach. All of these benefits can make an ecommerce website more successful and effective, making it well worth the effort to allow and encourage comments on blog posts.