This means that people buy those cards well enough, even those who complained that 16gigs of vram is low. Also Nvidia isn't interested in increased demand in gaming market because it makes main money shipping cards for AI data centers and it needs them a LOT there.
A new leak says Nvidia might scrap its upcoming RTX 50 Super desktop GPUs. It is said to be due to a shortage of 3 GB GDDR7 modules, which were slated to give the GPUs a VRAM boost over their non-Super counterparts.