There is no reason to blame Schiff for this. The GOP Senate has had 3 months to gather these facts and make them public, too. They have chosen not to. Therefore, you have to assign blame to the so-called Republican controlled Senate for once again refusing to substantively support a GOP POTUS by hiding these coup related facts.
The info is classified under house rules until the chair declassifies it.
Your post is less than half true.
I think some in the GOP are afraid of all of the truth coming out... If they could kill all the leakers like Epstein, they would