Can you disclose me some Twitter stickers? This user's voice is saying, "stickers please!" In all seriousness, respecting the user is paramount. Facebook tends to respect themselves often at the expense of the user which is counterproductive: an engaged and trusting user base will lead to higher revenues.
As far as I can tell, it's not an empty platitude, Twitter puts their money where their mouth is. I admire them for it.
Disclosure: I work there. I see those words on laptop cases and screen savers every day at the Twitplex.