It's probably not the legacy anyone would expect to leave, but Cory Doctorow @pluralistic coining the term "enshittification" has been huge. Having a name for something helps people fight it. I think the term defines much of the digital experience and a growing part of our physical one too. Seeing this PSA video gives me some hope that more people will be wise to it. https://www.youtube.com/watch?v=T4Upf_B9RLQ