That thread is jaw-droppingly amazing.
Mary in S. Carolina is insanely clue-free, multiple DU-folk are trying to help her see it, and she doubles and triples and ... dectuples down until she finally
Plays the Gender card, and not successfully.
She claims to be a "rich" successful "entrepreneur", yet she exposes herself as a liar by minimizing the intricacy and difficulty of what she proposes. I doubt she could manage to set up a factory to "simply" fabricate the controlled-impedance multilayer printed circuit boards for a cell phone. Not do the layout, not manufacture the completed printed wiring assemblies, just produce the printed circuit boards.
Bernardo de La Paz "gets it" for the most part, but it probably takes thousands or tens of thousands to design the processor, create the OS, design the chipset to support the processor, lay out the PCB(s), do the mechanical design, and choose components from resistors to small to see without a magnifier through the display.
Mary in S. Carolina is so insanely clue-free that she probably thinks an iPhone ## or Galaxy ## is only a little more complex than a 1970s wall or desk phone.