Here's a quote from CNN:
“[The resolution] is expected to follow the precedent set in 1974 over the committee’s procedures during then-President Richard Nixon’s impeachment proceedings.
“[It is], sources say, is expected to make clear that future House Judiciary hearings can be conducted in ways different from most congressional hearings since the panel is considering impeachment.
“For instance, the resolution is expected to authorize committee staff counsels to question witnesses, something that is typically not done at congressional hearings.”
https://www.cnn.com/2019/09/06/politics/house-panel-impeachment-probe-steps/index.html
Sounds like they want another swing at Barr. I recall (unless mistaken) it was he who refused to be interviewed by staff counsel before the House as that was a procedure only known to have been allowed during Nixon's actual impeachment hearing, not appropriate for the current, endless puppet theatre designed to pacify their base. What a circus!
I like your Cargo Cult analogy. Rep Doug Collins, minority member of the committee, says Nadler went to a court and made a false filing to ask for a court order to help his impeachment circus... interesting to see what comes of that. Nadler is proving himself a psychopath... oops! That is redundant: He is a 'rat!