blockquote paragraphs are italic about twentynineteen HOT 4 CLOSED

Nice catch :)
As far as I know, when the text to be quoted itself contains italicized words, the classical method consists in bringing out these words by returning to the ordinary character.

from twentynineteen.

That is one way, but sort of defeats the purpose of quoting a source. There is no need for the default to be italic, and it looks so much better when it is not, and there is no need to try to style nested <em> differently. What if it's a quote of a quote?
Blockquotes already have other distinguishing styles. They do not need italics.

from twentynineteen.

This is a bug actually. Default block quotes are not supposed to be italic. They're intended to match the default blockquote style you'd see in Gutenberg:

from twentynineteen.

Reopening this because the bug I noted here was not actually fixed:

#63 (comment)

When we address this, we should also be sure that the citation is styled like it would be in Gutenberg. Currently, it's fairly large:

Whereas that same blockquote in Gutenberg looks like this:

from twentynineteen.