Ah, sorry! In my landscape i forgot another essential feature: we are moving with a quick pace towards the dematerialization... We will likely have no more books or paper in the next years, especially for "leisure" reasons... This is another aspect the inteligentia of D&D should consider as well...
Most of us have... but truth be told, D&D, Pathfinder, FFG/Edge Star Wars, Palladium, and a dozen others are having no problem selling dead tree to youth. (I'm sure Kevin Siembieda is regretting to a point that the perfect binding he chose for everything after the Mechanoids trilogy is so damned durable - many of Palladium's books have been sold and resold a half-dozen times or more, cutting into his sales.)
Most of the OSR crowd I'm seeing online aren't greybeards, either... they're 20's and 30's, too young to have been around when the games they're tweaking were actually in first use... and they, too, are seeking dead tree. Often, FTF OSR groups play with a "no electronics at the table" rule.
Also, paper's renewable and requires only light to use; digital requires electricity or being printed... and most electricity isn't from renewable/perpetual sources.
Paper has got at least another edition of relevance in the first world nations, and 2+ in (no offense intended) in the 2nd world nations in South America, Asia, and the Middle East. Probably more than that, double or triple that, really -- today's teens are the first gen raised with ebooks and mandatory laptops in the first world, and not even universally so yet. It's the phones that are the nigh universal tool, and I've seen only one RPG book that was readily readable and useable on that mode: Pugmire Phone Edition.
The race to paperless is a long way from the finish line, and not just from us 50+ gamers wanting dead tree. I know a bunch of 30-somethings who, while they play online, only play games they own on dead tree. Far more conservative than me, to be honest, on that score.