The act of wiping after urinating is not a universal practice for men, and it largely depends on personal preference, cultural norms, and the situation at hand.

In general, men do not need to wipe after urinating because the urethra, the tube through which urine passes out of the body, is located at the tip of the penis and is self-cleaning. This means that urine will naturally flush out any bacteria or debris from the urethra as it exits the body.
However, some men may choose to wipe after urinating for a variety of reasons. For example, wiping can help to remove any drops of urine that may have splashed onto the surrounding area, such as the toilet seat or the front of their pants. This can help to maintain cleanliness and prevent unpleasant odors.
In addition, some men may choose to wipe after urinating if they have certain medical conditions, such as a foreskin that covers the tip of the penis, which can trap urine and lead to irritation or infection. In such cases, wiping can help to prevent these problems.
Cultural norms can also play a role in whether men choose to wipe after urinating. In some cultures, it is common for men to use a small towel or cloth to wipe themselves after using the bathroom, while in others, it is not a common practice.
Finally, the situation at hand can also influence whether men choose to wipe after urinating. For example, if a man is using a public restroom and there is no toilet paper available, he may choose to wipe with a tissue or other available material to maintain cleanliness and prevent discomfort.
In conclusion, whether or not men choose to wipe after urinating is largely a personal preference and can depend on a variety of factors, including cultural norms, medical conditions, and the situation at hand. While it is not necessary for men to wipe after urinating, some men may choose to do so for personal hygiene or other reasons.