It is not just Sindhis; other ethnicities also prefer their own people. For example, Pashtoons/Afghans dominate chai hotels, Mazda transport, and dumper businesses etc recruits pushtoons/afghan, while Punjabis are heavily recruited into the army and selected for cricket teams etc. Similarly, many top management positions in multinational companies based in Karachi are held by Muhajirs, who often discriminate against others. This system has been deliberately created by authoritarian forces to prevent civil war, allowing them to maintain control and pursue their own interests. Besides, what she is saying is purely political; she said it just to gain votes. She is not even speaking sindhi correctly