There can still be bacteria or viruses on the produce, generally for people with weak health it is recommended to wash all the produce they consume. There are

There can still be bacteria or viruses on the produce, generally for people with weak health it is recommended to wash all the produce they consume. There are also many *-icides, but they are generally quite hydrophobic so it's not easy to wash them off. But you are right about the dirt, there is even some evidence suggesting ingesting some dirt may be good for your gut health.