So They're Not Yet Able To Present Themselves Ready To Listen & Learn.

https://www.jpost.com/israel-hamas-war/article-794468

It is to be done as the Northern Combat Zone was done, as all military operations of this type are done. The IDF will take full control of the Combat Zone then sweep through to remove all traces of Hamas.

If the US wants something to do during that time. I can certainly think of other areas where Hamas need to be removed from.