Luckily, there's a bulwark against any attempt to roll back the progress made. That sounds terrible.
Indian ink dooling over a text written by Picasso, despite many technological advances, artist' materials have changed little over the centuries.
What does conceptual art attempt to do ? Quality and rarity are living closely, not far away. Bad leaves make good etching prints.
The juice was probably not found to be worth the squeeze. Smiling pictures have to make sense and have a use.
Out of date and useless inked paintings from the past that make you smile
In art, there are many inks, all of which are equally valid.
The head-clearing effect of inkblot art pictures.