Most times articles will be available in their original place for long enough for the purposes of this kind of discussion. And often they they will be archived. Including a quote from the article in question with a link both provides a taster of what it's all about and provides a handle for tracing the article itself if it's moved, using a search engine.

There will be occasions where a longish cut and paste might be appropriate, but not that many. It shouldn't often happen that a bunch of them will turn up in close succession.

An alternative way of pushing the count up where a long cut and paste is felt to be necessary would be to break this up into a couple of posts, and publish them one after the other - part 1, part 2...