Which is more important for a blog, good writing or good marketing?

I believe a company must stick to topics their prospects and customers will find most compelling, but they must also be written with a human touch.  Since blogs boost a company’s organic search engine by adding pages to their site and encouraging inbound links. Blogs give a company a greater chance of showing up in the right search engine results. They also give other sites a reason to link to their site

Both are equally important. A blog that is not well written makes the writer or sponsor look unprofessional, so you need to make sure your blog has good quality writing that stays on topic and grabs the reader's attention. However, no matter how good the blog is, without the right marketing, no one will ever see it. Many people produce blogs that are interesting and nicely written, but why do some of these receive a lot of traffic while others are sitting unnoticed? It's the marketing. Your blog needs to be optimized for internet searches, promoted across social media. and linked to other sites that are appropriate to your subject matter.

I believe a well written blog IS good marketing; they are one in the same.  To write a good blog, I believe a company must stick to topics their prospects and customers will find most compelling, but they must also be written with a human touch.  Since blogs boost a company’s organic search engine by adding pages to their site and encouraging inbound links. Blogs give a company a greater chance of showing up in the right search engine results. They also give other sites a reason to link to their site, increasing the number of inbound links and boosting their search engine rankings.  Therefore, it is vitally important that blogs be written to make use of keywords that are associated with a company’s target customers and their buyer personas.

I think both