I am hoping to get unbiased feedback on what the best blog extension there is for Magento 2 Community Edition.
There are lots of Magento extensions available for blog, I have used before from one store and there I have found Magento 2.0 Blog extension
Hope you are doing well with your Magento 2 website.
Regarding your question about a Magento 2 Blog Extension, I have a suggestion for you.
It is one of LandOfCoder products. You can learn about its features in the following list:
It is now for sale with $68, and you can get free installation on the website by our developer. In case you want to get more features for the extension, feel free to contact us and our developer will work on that to meet your demand.