You make a really good point that its just the jurors that matters here, and if they swore to do their best with an open mind and to avoid any news coverage about the case until the case is over,
then what does it matter if the public got on-the-fly texting from the trial reporters or live video of the trial.
The jurors will still be going home if not sequestered and Im sure some of their family members may have TVs or radios on so its still up to the jurors to abide by the rules of the court. It should have no effect whatsoever on the public being able to see and hear things live.
With this trend in some cases lately, I think we are going to need some kind of law passed to force all trials to be OPEN to the public like they should be.
When trials are done in secret, then shady things can start to happen that nobody knows about. Justice should be wide open with no secrets and the public serves a very important role. The public provides the checks and balances that all sides are doing things the right way. It helps both the prosecution and the defense when things are wide open like they should be.