I humbly disagree.
Yes, the Republican Party monitors the forum to guage the pulse of the ideologues on the right and yes, many Republican Party loyalist have come to the forum to shape it's collective opinion but no, it has not degenerated into a party organ.
Conservatives who fled to this forum from the Republican Party in the 90's, are substantially ideologues, who are by definition defiant of prevailing politcal mantras. Hence the recent frustration of many that their pragmatism is ignored in the face of all political logic.
Entropy reasons that the system changes, but the total energy of the system declines into chaos.