If it does not, check the toilet bowl rim holes (through which the water enters the bowl) with a small mirror, and if they are blocked, clean them with a small nail and acid-based porcelain cleaner.

The purpose of the float-bowl vent is to equalize the effects of a clogged air cleaner.

Regard it being cleaner with the faucet moving to maximal ability the vegetable set bowl be washed, that is only a mentality effect;