The phrase "a convenient argument" is correct and usable in written English.
It can be used when referring to an argument that is easy to make or supports a particular point of view without much difficulty.
Example: "His claim that the new policy will save money is just a convenient argument to justify the changes."
Alternatives: "a handy justification" or "a simple rationale".
It's a convenient argument, but also a convincing one.
The x86 supercomputing world is, of course, a convenient argument for Intel.
It is a convenient argument for companies that make money compiling and selling personal data, but it's not true.
That is a convenient argument, but it also reflects the realities of making things work on small, touch-based screens, and the needs of the virtual office.
But it is also a convenient argument, legitimising yet more swingeing cuts in mental-health budgets, and one that leaves untouched the miserable isolation of many mentally ill people in the UK today, sitting alone in their flats with only a television to keep them company.
It's a convenient argument for the Clinton camp to make because it is appealingly simple.
Similarly for "The Robber's (Repenter's) Paradox", where now we focus on the robber making amends (or repenting) for his crime, and again we seem to get the result that it is impermissible for the robber to make amends for his crime, suggesting a rather convenient argument against all obligations to ever make amends for one's crimes.
It is undoubtedly a rather convenient argument, for the advancement of DeepMind's AI-based ambitions, that the nature of the specific medical condition it has kicked off its healthcare app efforts with apparently requires access to all hospital patient data — even, for example, people admitted to hospital for an abortion, say, or a drugs overdose.
But that's a less convenient argument to the anti-tax crowd so you don't hear it a lot.
Thing is, that's an exceptionally convenient argument — given how much money there is to be made from amassing vast troves of user data.
How much is this a politically and commercially convenient argument deployed by those who doubt the entire single-market project and are seeking to protect national interests?Some answers lie in the one part of Europe's market that has been liberalised.
