After mentioning that I was not reading much there either I find it curious that there should be such a change in my online behaviour in so short a space of time.
This wasn't a deliberate act, I forgot to change the options on the Medium plugin for these posts, but I still don't feel compelled to go back and do it.
Most people will still engage on the same services they have been using, or reply to other people's posts, but just make sure that they are putting the original items on their own site.
It can, therefore, be surprising when someone says they won't be syndicating their posts.
Returning to the subject of display and distribution, however, not syndicating your content - or, at least, not syndicating all of it - makes a good degree of sense.
If distribution or syndication doesn't work then don't do it, simple. Keep things where they are, where they look how they should, within the context in which they were created.
Some content types work well when distributed so, if it's not a chore to do it, why not? Use these as the bait to the blogging hook.
Hand in hand with data ownership we should be leading by example to encourage more direct site visits rather than viewing via a third party service.