If there are government mandated age verification checks on social media, then even if they're trivial to bypass, at least it allows parents to stand together with other parents.
Many, if not most, social media sites already have this in the form of a “I assert I’m over 13” button during account creation
A lot of corporations sell their used or otherwise no longer needed tech products. It’s not unreasonable to expect a lot of RAM to sell that way.
However, there is a concern a lot of it will be in the form of RAM soldered to the boards of AI accelerator cards which are basically GPUs without the actual graphics specific features. That won’t be very useful to the average consumer.