Do we need   in table cells?

" is there any reason why when clicking in a table cell the cursor starts one space in rather than at the very left hand side of the cell (you can press delete/backspace/left cursor and move to the left one character from the default starting place). This seems illogical given that if you hit return and type something on the proceeding line the cursor will be aligned to the very left of the cell."

Can we select the nbsp when the cursor is placed in a cell which contains nothing else?