Scheduled Message On Whatsapp

I really don't know how there is not an option to schedule a message on WhatsApp?
This Medium article, Which I have written, show how I think they should/could add this feature...

https://medium.com/@einatbo/scheduled-message-on-whatsapp-how-doesnt-it-already-exist-9f08a78767bf?sk=47b64f7611e7d8969bba30c18c8506ed

Hope you will like it...
Have a great day!!!