I would stick with the original request. Sorry, I saw the expansion arrow on @erlend_sh’s mockup and assumed it worked like a standard quote. But I think you are correct, Erlend had a different idea here, one that I don’t really agree with.
Again, let’s all practice with how it works on a regular quote.. just click anywhere in the top bar (where it says “David Taylor”) to expand it:
That is how the accepted answer should expand on the first post. It is an implicit quote.