[5] D'Adam supported a Picket line at New South Wales Parliament House as part of the Public Service Association of NSW's campaign against the Labor Government's changes to the worker compensation scheme.
[25] D'Adam has been critical of international human rights abuses and the rise of Far-right politics including the normalisation of "anti‑Semitism, Islamophobia, and increasing hostility to the LGBTQI community".
[26] In his inaugural speech, D'Adam linked his opposition to the far-right with the fact that his family came to Australia as political refugees following the rise of Benito Mussolini's regime in Italy.
[5] In March 2022, D'Adam cited a report by the Islamic Sciences and Research Academy of Australia which related rising instances of Islamophobia with the normalisation of racism in the wake of the Christchurch mosque shootings.
[27] In a speech to Parliament, D'Adam argued that "Fascism has always preyed on the fears and discontents of alienated people to undermine and destabilise democratic institutions and erode social cohesion".
[8] D'Adam argued that the penalties enshrined in the legislation for nonviolent protest - including up to two years in jail and $22,000 fines - are "not proportionate" to the disruption caused by the Blockade Australia activists it notionally targets.
[36] In December 2023, D'Adam organised an open letter with, Jenny Leong, that called on the Albanese Government to 're-examine its relationship with Israel' in light of Palestinian civilian casualties.
[38] In a 2021 speech commemorating The Tamil Genocide by Sri Lanka, D'Adam called on the Australian Government to consider implementing Magnitsky legislation to target perpetrators of human rights abuses.