@nitinthewiz This is https://david.shanske.com entire philosophy of using the taxonomies versos the custom post types. Post types are them specific you will lose them if you switch. The post kinds use taxonomies more resilient.
This is also the beauty of #IndieWeb and microformats. You should be able to hit "view source" on any web page and with a little bit of practice just know if the page works...WordPress adds some complications but Mathias and David work tirelessly and keep it smooth