Introducing bills (and voting on most things, though non-recorded voice votes do occur) in legislative bodies in the US is already public, what is being called for here has no bearing on that, it is about tracking edits leading up to those already-accountable events by staffers working on the bill before it is introduced (or doing thr same for an amendment that changes the text of a bill.)
Counter-argument: there are GOPers afraid of standing up to Trump because they fear that doing so would trigger violence from MAGAland. E.g.
* https://www.pbs.org/newshour/politics/violent-threats-pile-u...
People used to vote for candidates in elections in public, and there was all sorts of intimidation and violence until secret ballots were rolled out.
I'm generally for political/politician transparency, but let's not ignore some of the trade-offs.