It was a snarky comment and I replied in kind. Criticism is fine but I like Sync and don’t go around putting down other apps. I just use the one I like and support the developer.

Use a different app, nobody’s forcing you to use Sync.

Last time i stayed with Airbnb, the host complained that I didn’t sweep the floor and take out the trash. I paid the cleaning fee!

Pandas is more efficient than Python at operating on large datasets. Can you suggest alternarives?

Makes sense if you want to give the user the ability to import data from csv (see django import export package). Beyond importing data from user or another service i dont see other uses, but they do exist.