Dude in the SJ case Barco is the plaintif and so TPL is not required to play the Rev eng card...
Likewise in negotiations, TPL is not required to incur the expense to Rev Engr since that would then need to be paid by Barco as additional damages.
TPL is only required to take the time and expense to Rev Egr when it brings suit as Plaintiff which it has not.....
It might not be possible for anyone - as per Moore- to point to the element and claim of infringement with the naked eye but it is possible to reasonably attempt to settle pre=trial based on the understanding of physics and the published specs by the manufacturer of the chip...