If you watch that for 5 minutes, Matz makes it clear that a) it's a goal, not a promise, and b) he's basing this on ruby 2.0
I don't know how you can set expectations any clearer than that (other than maybe not to announce any goals ever, or chase down the 3rd parties reporting on your goals with a torch and pitchfork, demanding that they fix their lazy reporting)
https://youtu.be/LE0g2TUsJ4U?t=3242
If you watch that for 5 minutes, Matz makes it clear that a) it's a goal, not a promise, and b) he's basing this on ruby 2.0
I don't know how you can set expectations any clearer than that (other than maybe not to announce any goals ever, or chase down the 3rd parties reporting on your goals with a torch and pitchfork, demanding that they fix their lazy reporting)