there is little to no incentive for these companies to simply open source these applications. customers don’t care if the tool is open source or not, they just want a good simulation.
there is strong disincentive to open source these, because any competitive advantage your tool has with simulation is no longer a competitive advantage.
Last statement makes no sense since AD and Qorvo are in the business of selling silicon. These tools are marketing for their product lines.
It's like saying Google and Facebook are at a business (dis)advantage over the merits of Tensorflow and PyTorch, when their actual business is something completely different.
there is strong disincentive to open source these, because any competitive advantage your tool has with simulation is no longer a competitive advantage.