The leak will benefit the GOP in the long run because it happened early enough in primary season to give voters a chance to prevent the general election from becoming a complete crap show. I’m not sure that changing the way the court operates by releasing a decision before they said they would will help them. At this point I think that the biggest danger to that institution would be a Democratic sweep in November, since the Democrats will absolutely pack the court, given the chance. The election will come down to turnout, and no-exceptions total ban Republican candidates in November would certainly drive that, to their detriment.
This whole thing is starting to come into focus, the hard-line abortion ban may be in service to the open borders agenda.
Republican candidates who aren’t committed to protecting innocent little preborn babies are worthless.