This page lists Wikipedia pages by the total amount of text in all of their talk page archives put together. It is the best measure there is for determining how much squabbling has gone on behind the scenes for a given page.
Here is a ranking of all 63 of the listed pages that are actual articles (as opposed to policy/administrative/user pages), in descending order:
Donald Trump
Intelligent design
Climate change
Barack Obama
United States
Jesus
Race and intelligence
Catholic Church
Circumcision
Homeopathy
Muhammad
Gamergate (harassment campaign)
Chiropractic
Abortion
Monty Hall problem
Gaza War (2008-2009)
Evolution
Prem Rawat
Sarah Palin
India
Israel
World War II
Christ myth theory
Mass killings under communist regimes
Jehovah's Witnesses
September 11 attacks
Cold fusion
Climatic Research Unit email controversy
Armenian genocide
Anarchism
Atheism
Falun Gong
Neuro-linguistic programming
Jerusalem
Control of cities during the Syrian civil war
Kosovo
British Isles
Transcendental Meditation
United Kingdom
George W. Bush
Christianity
COVID-19 pandemic
Libertarianism
Acupuncture
Thomas Jefferson
International recognition of Kosovo
Israel and apartheid
Adolf Hitler
United States and state terrorism
Syrian civil war
List of best-selling music artists
Julian Assange
Russo-Georgian War
Historicity of Jesus
Second Amendment to the United States Constitution
Tea Party movement
List of common misconceptions
Murder of Meredith Kercher
Genesis creation narrative
Taiwan
Hillary Clinton
Electronic cigarette
Michael Jackson
Bubbling under (present in earlier versions; I have gone back to 2015 so far here, though the page history goes back to 2010):
0.999...
European Union
Chronic fatigue syndrome
Russian interference in the 2016 United States elections
Shakespeare authorship question
Fascism
Astrology
The Holocaust
Joseph Smith
Chelsea Manning
List of scientists who disagree with the scientific consensus on global warming [NOTE: now deleted]
yeah I was wondering about that too. she probably has someone hired to scrub her record clean. I can't think of any other reason why she would still be that relevant in this metric.