If you look at the spreadsheets for 2022: as of October 2022 online and paper applications have gotten similar treatment in terms of processing... And now we are in FY 2023-24 and they may have different notional targets from what is noted in this ATIP. Having said that, IRCC is unpredictable and can change strategy at any time. Pick whatever works best for you
Several cons of paper applications:
Printing and mailing costs + AOR takes longer + papers can get lost. If application is incomplete it takes time to get returned and correcting it and sending it back resets the clock