Facebook blatantly does nothing to protect elderly people from being targeted by scammers, and a public-facing platform like Facebook is only going to become more dangerous for your folks as they get older, even if they just lurk to keep in touch with their children. There are better solutions for a "digital family photobook" that don't have the rest of the bullshit and danger that Facebook poses for the elderly and digitally illiterate.
With AI gen and bot posts flooding the site, it's become a direct metaphor for the Matrix, except instead of turning human life into power, it turns human potential into money for advertisers and bad faith actors on the platform.