The phrase "are merely concerned" is correct and usable in written English.
It can be used when expressing a limited or superficial level of concern about a particular issue or situation.
Example: "The committee members are merely concerned with the budget, not the overall impact of the project."
Alternatives: "are simply worried" or "are just focused on".
"Great powers that have no reason to fight each other -- that are merely concerned with their own survival -- nevertheless have little choice but to pursue power and to seek to dominate the other states in the system," he writes.
I argue "No". If moral principles are merely concerned with the extension of moral properties across all possible worlds, then they cannot be partial explainers of facts about the instantiation of those properties, since in general necessitation does not suffice for explanation.
I'm worried about how the justices can properly debate same-sex marriage when some don't even seem to realize that most Americans use the word "gay" now instead of "homosexual"; when Chief Justice John Roberts thinks gays are merely concerned with marriage as a desirable "label," and when Justice Samuel Alito compares gay marriage to cellphones.
Yet these aspects are only one part of what trust is concerned with; they are merely concerned with reason ([54], p. 357).
He said he was merely concerned about allegations that Mr. Kerik had leaked information after the court had warned him not to do so.
I am merely concerned with showing that certain terms we borrow from theology have validity in a secular approach to our problems.
Although the bank says Mr. Dimon was merely concerned about a security breach, the report says he took an adversarial tone with regulators, pushing them to explain why they needed that level of information.
Haig told Richardson he didn't know whether the president was hiding something or whether he was merely concerned about the principle of confidentiality, but he had never seen Nixon so worked up.
A former parent-governor accused of being involved in a "Trojan horse" plot to radicalise a primary school in Oldham says he was merely concerned about low standards and has been vindicated by a report placing the school in special measures.
"And in the southern Iraqi city of Najaf, people threw their shoes at a passing American convoy". While some Iraqis were critical of Zaidi, the Times noted, many of them shared his sentiments and were merely concerned that he had violated customary Arabic notions of hospitality.
