You can emulate the distortion from tube circuits digitally. But the thread was about "audio" where extreme distortion as used in electric guitar for artistic p

You can emulate the distortion from tube circuits digitally. But the thread was about "audio" where extreme distortion as used in electric guitar for artistic purposes, is not the goal. Basically they're saying "my clean sounding tube amp is better than your clean sounding solid state amp". That's known to be bogus and never supported by blind testing.