[ljm]

The unstyled blockquote is probably enough, without pulling down the JS to embed twitter's marketing, tracking, and whatever else they might be observing.

Is it necessary for a quoted tweet to look exactly like it came from Twitter when the text and a link serves an identical purpose?

That said, if someone wants to delete a tweet or otherwise correct the record, are you prepared to issue a correction of your own when quoting a tweet? The internet is particularly unforgiving when it comes to this.