But keeping the same UX is harmful in this situation -- on SMS it's a common pattern to use text commands, but in the desktop context you'd never expect it (and the commands don't make sense).
It makes sending a direct message a lot easier than wading through the web UX. It's great for power users
I worked at Amazon and we found (to our surprise) that power users were using these commands from the build in Kindle tweeting functionality.
I think the number of power users using this feature is probably actually higher than the number of false positives of exactly 2 word tweets where the first is get