Was waiting for scavengers to pounce upon the ongoing political scenario to make dubious comments as is customary of screenshot distorians.
Even a cursory reading of Mumbai history will throw light on centuries of Marathi manoos contribution towards Mumbai, Konkan. 1/ https://twitter.com/yashasvipratap/status/1302327611666739200

The Mahim-Prabhavati-Dadar region of Mumbai, as well as the port of Mahim had become international trading center under Bimbadev and his descendants. Besides the presence of great Horse trading center of Ghodbandar in Thane. 2/ https://twitter.com/Panipat_1761/status/1298097439950299137?s=20

The North Konkan region was historically inhabited by Kolis & Agris,whose mothertongue was Marathi itself.& as far back in 13th century itself Bimbadev settled the region with Kshatriyas & Yajurvedi Brahmins. Inscriptions prove it. https://twitter.com/Panipat_1761/status/1202279758534307841?s=20

4/ And who can forget the great Chimaji Appa Peshwa the brother of Baji Rao Peshwa who defeated Portuguese, to reclaim the northern Kokan in the Battle of Vasai, that got back 3/4ths of Mumbai.
Treaty of Salbai, Marathis get posession of Sashette (the largest of 7 islands)

5/ Even during british times, Mumbai was jointly developed by Parsis(J'bhoys, Wadia),Marathi Daividnya Brahmans(Bhau Daji, Jagannath Shankarseth).Jagannath Shanker Sheth possibly owned half of Mumbai at that time.
The Pathare Prabhu developed Dadar& other suburbs at that time.

6/ Thereby, Samyukta Maharashtra Movement rightfully demonstrated peacefully to integrate Mumbai as it had centuries of Marathi cultural contributions. Unfortunately a lot of people were fired upon then for it.
We contributed our blood sweat in Mumbai.

7/ Hence with pride we say 'AMCHI MUMBAI' !
It has always been Mumbai, named after Mumba Devi, a reincarnation of the divine Jagadamba herself.

People from all over India are welcome in this divine city of India.
However population explosion is a thing, thereby, I will pray that more employment opportunities emerge in the northern region soon enough, that distributes the migration pattern evenly.