I think the Google Sheets devs would agree with you that spreadsheets shouldn't be used for anything serious. That's why it's missing such basic features as an

I think the Google Sheets devs would agree with you that spreadsheets shouldn't be used for anything serious. That's why it's missing such basic features as an X/Y scatter plot with a line - which is trivial in any other spreadsheet program. Personally when I have a few dozen data points and I want an X/Y plot with a line, I find a spreadsheet is a better tool than MySQL.