@BRETT It's four clicks or so. Home > Options > Enable Multi quote > Save. I ran into a conversation with @red55 where bits and pieces instead of whole quotes would have been great. I don't know if you've seen this addition to the platform, it came with the last upgrade. :50 second mark
I love the way xF has basically "redacted" the amount of characters in a quoted post; it did make this addition to 1.4 a necessity. It certainly makes the UI a lot easier!