I've seen in recent news that 8GB of GDDR 6 can be bought in bulk for $27. There's really no excuse for vendors to not add more vRAM in expensive graphics cards these days, aside the fact that they wanted them to be swapped for new model quicker in the future (planned obsolescence). And that's it. Defending that behaviour of vendors has no excuse anymore.It's not so much that for me, it's we have hard evidence that adding an extra 4GB can cost as little as $30 (see RX 5500 XT 4/8GB), we also have hard evidence that profit margins are at record highs. But apparently adding an extra $50-60 of memory and maybe eating into your profit margin by a tiny amount is unacceptable so they charge an extra $100 and/or pass the costs onto developers.