There is another possible answer to your question.
I don't see where anyone has provided
an answer, much less
another possible answer. Regardless, don't you go limiting this to just two possibilities! I can imagine several
possible answers.
... we always had the room, CIS just can't count.
... we always had the room, but staff was keeping things quiet for [insert their reasons].
... we aren't actually interested in Height, but D$'s sources fed him that information for [insert their reasons].
... more players are being forced out than anticipated (creating additional spots and need at EDGE).
... more players are leaving (of their own volition) than anticipated (creating additional spots and need at EDGE).
... more players are being forced out and leaving (of their own volition) than anticipated (creating additional spots and need at EDGE).
... more players are being forced out, but that was always the plan (it just wasn't shared for [insert reasons]).
... more players are leaving (of their own volition), but that was always known (it just wasn't shared for [insert reasons]).
... unpublicized injuries at EDGE have increased the need for depth at the position.
... poor player development at EDGE has increased the need for depth at the position.
... our coaches view Height as an under-utilized super-star EDGE, and they are happy to make room for such a talent.