I can't edit a comment once someone has replied to it?
Here's what I meant to say in reply to your edited entry:

Edited to include your edit:
Basically word to everything.
While I don't mind Sherlock rescuing Adler, it would also have been very fitting if he hadn't. It was of course clear that he knew John was lying and I guess that john knew that too and used that not to have to actually tell Sherlock.
But it would also have been fitting if they'd ended the ep with the showing of the text message.