The phrase "actually argues for" is correct and usable in written English.
It can be used when discussing a position or viewpoint that someone is advocating or supporting in a debate or argument.
Example: "In her essay, she actually argues for the necessity of renewable energy sources to combat climate change."
Alternatives: "effectively advocates for" or "clearly supports".
Barker said Oracle actually argued for even lower wind limits in May before agreeing to the 23-knot ceiling.
Yang was actually arguing for the use of certain cannabinoid-based drugs in select pediatric patients, such as kids with intractable seizures.
Though Mr Major was actually arguing for a strong economy and good public services, the speech came to be seen as an assertion of the clean-living, upstanding credentials of his Conservative Party.
"If you look at some of the people John McDonnell has brought in – Thomas Pikkety, Joseph Stiglitz, international economists, they're the people actually arguing for this big country that our country faces.
She said it actually argued for measures to stop the criminalisation of pictures used for sex education or those taken by parents of their children on the beach or in the bath.
Miliband added: "I believe that he wants a fairer country and, if you look at some of the people that John McDonnell has brought – Thomas Piketty, Joseph Stiglitz – international economists, they are the people actually arguing for this big question that our country faces, and this doesn't go away.
But Savage doesn't have the courage of his convictions: He wants to use evidence from human pre-history to argue against the plausibility and practicality of the monogamous ideal, but he would never dream of actually arguing for a return to the "natural" state of human sexual relations, with all that it entails in terms of polygamy, sexual violence and the subjugation of women.
In 2014 Astronomers at the Universidad Complutense in Madrid suggested that the available data actually argue for more than one trans-Neptunian planet.
But of course he wasn't talking about cutting spending on high salaries for insurance executives but was actually arguing for cutting Medicare.
