The next step would be that the committee votes to send the issue to the whole House. The House must take it up, and must deal with it. All the representatives go on record.
Simultaneously, anything that was not objected to can be disclosed to the public immediately.
I hope you're wrong, but your case is well-stated.
I'm looking at it 180, that there are forces who want to prevent this release because the reaction will come up just short of angry mobs; that animus then safely channeled into a GOP Supermajority in both houses; and the obvious outcome as Trump could then nominate someone to Scotus so firmly conservative as a John Bolton - quite possibly 3 times in the next 2 years.
As we all know there are probably as many RINOs as Democrats that don't want a GOP Supermajority...
Therefore no one should want the House to vote on anything regarding this memo, oh lawd it would be all over cable 24/7 for the flood-the-zone Dem pontificatin' and such.
It's a high-clearance Committee issue, let the high-clearance Committee members wrangle, and let the alphabets dangle.