English is acquired lingua franca of Muslims in the Indian Subcontinent. So are three piece suits, ties and hats replacing sheerwanis, pajamas and topis. In time of Pax Britannic India, the more people Englished themselves the more they felt worthy about themselves. That is the root of writing your post in English.
Same thing happened with Persian language in the Padshahi of bygone era. One Shri Jeewan Lal Munshi was so civil enough to master this language that he became Persian teacher to selected courtiers of Deewan-e-Khas.
What’s wrong with Arabic if there are even magnificent reasons to acquire this language?
There may possibly be people without Arabic language, but there is no Book without Arabic.