Yup. A comment on the original webpage reported that this value appears to hang/time-out Google Spreadsheet. I tested and it indeed was the case. So there are g

Yup. A comment on the original webpage reported that this value appears to hang/time-out Google Spreadsheet. I tested and it indeed was the case. So there are going to be lots of places one can fool around on the input side only to send the server thread into a loop. That's bad.