The phrase "whatever argument" is grammatically correct and can be used in written English.
It is often used to refer to any potential or hypothetical argument, without specifying a particular one. Example: "Whatever argument you may have, I am confident that our team will be able to counter it."
They can manufacture fuel for whatever argument they want".
And for whatever argument or conclusion they come to, the evidence is the text.
Why, you might almost think that the goal is just to undermine Social Security, using whatever argument seems handy.
Yet one reason that the small scholarly details matter is that they provide an arsenal for whatever argument you want to make about the present.
When a prominent tax denier loses in court, it almost invariably spells the end of the popularity of whatever argument he was promoting.
Whatever argument there may be about individual events there can be no doubt that a combination of sea level rise and the land sinking in the south and east of England is putting more coastal communities at ever increasing risk.
And then you can present whatever arguments you like and we can decide what we want to eat.
And whatever arguments might once have overridden that loyalty – bank balance, career development, prestige – seem no longer to hold water.
Given that principle, each party believes it has an obligation to make whatever arguments are most likely to bring about that outcome.
The wealthy turn over big bucks to super PACs, which in turn make whatever arguments they want, often much dirtier than anything a candidate would want to attach his or her name to.
Use whatever arguments you find most compelling — human health, animal rights and welfare, human labor issues (think slaughterhouse, factory farm and fast-food restaurant working conditions), proper stewardship of agricultural lands, or greenhouse gases.
