While Simon Tisdall makes valid observations about certain parallel actions and interests between Trump and Putin regarding European politics, such as their support for right-wing populist movements and shared skepticism of traditional European institutions, he weakens his argument by drawing oversimplified historical comparisons to the 1939 Hitler-Stalin pact and making speculative predictions about future collaborations. Tisdall's use of loaded language and tendency to present worst-case scenarios rather than balanced analysis undermines what could otherwise be a legitimate examination of concerning patterns in contemporary geopolitical developments.

1. sweeping generalization • The claim attributes a monolithic, absolute rejection of liberal democracy to Trump and Putin, ignoring nuanced differences in their critiques and actions.

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Both despise European liberal democracy, equal rights and multiculturalism.

Trump's opposition to certain European democracies often centers around ideological and policy disagreements, such as differing views on trade, defense spending, and international agreements. His approach tends to focus on promoting nationalist and conservative values, questioning multilateral agreements like NATO, and advocating for policies that prioritize American interests. This opposition is usually expressed through political rhetoric, economic policies like tariffs, and diplomatic pressure.

In contrast, Putin's opposition to European democracies is frequently driven by strategic geopolitical goals, including expanding Russian influence and undermining Western alliances. His methods may involve more direct interference, such as cyber-attacks, disinformation campaigns, and support for populist movements that can destabilize European political systems from within. Putin's actions are often aimed at weakening the cohesion of the European Union and NATO, thereby increasing Russia's power on the global stage.

The sweeping generalization in the text overlooks these nuanced differences, presenting both leaders as having a monolithic and identical opposition to European democracies, which simplifies the complex motivations and methods employed by each.

2. slippery slope with appeal to fear • The author presents a speculative future scenario—Trump and Putin conspiring to install a hard-right populist as French president in 2027—and immediately validates it as "a legitimate worry." ​

Will Trump and Putin conspire to ensure a hard-right populist succeeds Emmanuel Macron as French president in 2027? It's a legitimate worry.

​This progression from current alleged influence campaigns to a specific, highly undesirable future outcome, without demonstrating the necessary and sufficient causal links that would make such an outcome inevitable or even highly probable, is characteristic of a slippery slope fallacy. It suggests that if current trends continue, they will inevitably lead to this feared consequence, thereby appealing to the reader's fear of such an eventuality rather than providing a robust logical argument for its likelihood.