Back in the 90s, that feeling when Netscape or Windows used to crash. First, a feeling of utter sadness, having lost whatever work was open (imagine writing a Word document for school and hours lost, that's when you learn to save regularly). Then the feeling of relief: ah, at least I gotta start over. But it keeps gnawing. What did I miss? Back then, there was no term for it (or it wasn't popularized), now there is: FOMO.

With regards to your quote, writing down helps the brain memorizing. It turns out typing it out doesn't help as much. In that sense, a notes app isn't akin to writing a note, the former isn't handwriting and the latter isn't digitized with all the advantages (and disadvantages!) attached. Its why I bought a reMarkable 2 for my mother (before they went all cloudy). She writes down a lot. It became a mess of notes, pure chaos. A digital notebook is the best of both worlds.