How can we add comment capability to blog posts without having to use Disqus as that requires you to add a tag for each post.
Great question! There is an option to use Facebook as a plug-in for blog comments that doesn't require any setup, just using a Facebook account. I have an example below:
If Facebook is not something you want to utilize, there still could be a way to set up Disqus in a way that better aligns with your workflow. Below is a blog article that walks through how to use the plugin.
Let me know your thoughts!