Is it necessary to inline them? Webpack does the inlining and other performance hacks automatically. Inline will make it difficult to edit when needed.

Not required. We can directly use MorePage

Not required. See above

Debugging remnant?

I would ask you to hold on this feature. It is easier and more scalable to extend the FedoraMagazineProvider into a WordPressBlogService

Why? Any gives ts-lint warnings and kind-of defeats TS in the first place

It's not wise to assume the date format. Use Intl to make appropriate formatting based on the current locale. Not all locales use MM/DD

For me at least, I have grown using DD/MM and it is sometimes confusing. It is better to leave the default order as per the locale.