Still need a big speakers to generate it, physics don't just go away. Smaller than the instrument but still. Also it's not about generating tone but all the mo

Still need a big speakers to generate it, physics don't just go away. Smaller than the instrument but still. Also it's not about generating tone but all the modulations and harmonics physical instruments produce. While you can do just as complex sounds digitally, people like all the analog imperfections and inconsistencies