In 2022 it's plain stupid to keep your email in Gmail or rely on Google Photos as the only storage for your family archive. People pay $15/mo for Netflix, but can't pay $50/year for a email address? Nobody will lend a random person $1000, but people still happily give their work, worth orders of magnitude more, to a company that has literally zero obligations to them.
I sincerely sympathize with this couple and wish they will eventually recover their stuff, but c'mon, let's be proactive and prevent such incidents (and educate/help others)