The scenario: I'm editing a rather large sheet. I realize that all the entries with "Alice" in their title should go under the "Caribou" column rather than the "other" column.
So I set a filter to only show the entries that contain "Alice" in the title. I then cut/paste all the values from the "other" column into the "Caribou" column.
When I turned the filter off, I discovered to my horror that the "Caribou" column was nearly blank. It now consists mostly of the entries I moved over from the "other" column.
Clearly what happened was that when I selected all those entries in the "other" column within the filter view, I was also silently selecting all the blank cells that weren't visible to me. And when I pasted into the "construction" column, I overwrote a huge amount of data I didn't want to overwrite.
In my opinion, editing operations within a filter view should only affect that portion of the spreadsheet that's actually visible. I doubt that I can convince Google to fix this, or even agree that it's a bug.
So I guess my question is: is there a way to safely combine filter view with editing?
Edit: try it yourself: https://docs.google.com/spreadsheets/d/1i1VQE_H2DkDPtnQfm8RukzlS8MzKI0InPeSyI7Ttnic/edit#gid=0