The shift of the Malay vote away from BN started in 2018 with the PAS surge and not in 2022. 2022 is a continuation of the trend from 2018. The PAS surge in Malay vote in 2018 really started when they broke their alliance with DAP a couple of years earlier.
Don't put too much hope on 1+1. Instead focusing on how to convince the majority with effort to bring Malaysia to the next level. Show the results instead of keep talking about it
A Malay Chinese demand for "political equity" can be considered extreme if you view the Malay Chinese as guests in Malaysia. In such a framework asking for "political equity" is 宣賓奪主. Again that is one way to frame it. There are other ways too. But is incorrect and intellectually dishonest to assert the Malay Chinese demands as "not extreme". It depends on the way one frames politics in Malaysia.