On a normal day, ghosting is childish and wrong.
Ghosting is not gender-specific, it is done by both men and women ghost. But is it right to ghost?

No and yes.
No (initially/normally) and yes (eventually/).
No (most times? Normally), but yes (in some cases/if it is the only reasonable option).
How so?

I am not contradicting myself, communication is the life of every relationship, and personally, I am big on communication. But, why am I talking about ghosting?

Ghosting is not the best solution out there, but it becomes the right option when there is no other reasonable option available.
For your information, ghosting are of types, some gradual and some (the most popular one is) abrupt.
I don’t recommend the abrupt ghosting, it is childish; ending every form of communication with a person you once liked without any explanation is immaturity. But there are situations where a person is constantly making sure the other person is frustrated; every effort seems (and actually is) futile.
You try your best to make sure they get your perspective, you try your best to make sure they open up, you try your best to have closure, you try your best to make things fair, but they constantly frustrate you, they constantly make you feel and look like a fool, they constantly gaslight and try to manipulate you, they clearly stop giving you attention.
You give all the positive energies you can possibly give, trying everything possible to be the bigger person, and always getting nothing in return, always feeling unseen, unheard, and unregarded.
You express yourself the best you can and still being treated like you don’t matter.

That is when ghosting becomes the only option, you cease communication, life goes on.
You ghost them gradually, withdraw yourself from the picture, heal, and move on. That’s on them, not you.
Ghosting is not for kids, there are some things you do to keep your sanity, peace of mind, and dignity intact.

NOTE: GHOSTING IS NOT FOR PEOPLE IN DEFINED RELATIONSHIP. That is a no and immature.
People in a relationship should end things properly, and there should always be closure.

I hope you understand.