There is a downside to using a bidet.
Some downsides to using a bidet are risk of scalding or irritation with improper use, the high cost and space needed.
Bidets are generally very safe and hygienic although they can have potential to be unsanitary and may cause issues for some people if they're not used or installed properly.
If not cleaned properly and often enough the bidet can also be gross and unsanitary.
A bidet may not always clean your bottom of all the poop and if you have really sticky poop, the light stream of water from the bidet may not get you clean very good or at all in some cases.
So you still may have to wipe after using the bidet.
However using a bidet is also considered more sanitary than wiping your bottom with toilet paper because in some cases the water may be able to wash away the poop more thoroughly and reduce the risk of bacteria transferring to your hands and other areas.
The bidet uses a stream of water to clean your bottom or perineal area, and removes poop and residue.
Toilet paper can sometimes leave behind particles.
Although if you have sticky poop it may not come off all the way and still require some toilet paper.