After leaving Parti Pejuang Tanahair and Gerakan Tanah Air that he formed, Dr Mahathir has since joined forces with PN with Hadi describing him as finally returning “to the fold of his struggles”.

Source: https://www.theborneopost.com/2023/09/03/mbs-from-perikatan-led-states-meet-hadi-dr-mahathir-for-advice-on-administration/

Dr Mahathir has repeatedly said he will only declare his wealth in court.

Source: https://www.theborneopost.com/2023/05/13/anwar-says-his-rm11-mln-assets-not-a-secret-still-waiting-for-dr-mahathir-to-declare-wealth/

Dr Mahathir was later sacked from Bersatu and set up Pejuang in Aug 2020, which he left in February 2023.

Source: https://www.channelnewsasia.com/asia/malaysia-pejuang-mukhriz-mahathir-perikatan-nasional-hamzah-zainudin-reject-application-3362776?cid=cna_flip_070214

On Mar 2, Pejuang president Mukhriz Mahathir said that he had sent a letter to Muhyiddin after the party’s central executive council had conducted reviews and evaluated all its options for political cooperation.

Source: https://www.channelnewsasia.com/asia/malaysia-pejuang-mukhriz-mahathir-perikatan-nasional-hamzah-zainudin-reject-application-3362776?cid=cna_flip_070214

When he allowed himself to be coopted by Mahathir to serve in the latter's Umno regime, he sided with Malays autocracy, Mahathir's dictatorship, allowed Mahathir's rabid racism to flourish, allowed corruption in Malaysia to become its main business.

Source: https://www.asiasentinel.com/p/ahmad-zahid-hamidi-freeing-end-reformasi