The phrase "are generally concerned with" is correct and usable in written English.
It can be used to indicate the main focus or interest of a subject or group in a general sense.
Example: "The researchers are generally concerned with the impact of climate change on biodiversity."
Alternatives: "typically focus on" or "are mainly focused on".
The letters are generally concerned with personal and family matters and contain little comment on contemporary events.
Urban voters are generally concerned with social services and financing for mass transit, while suburban dwellers focus on property taxes, education and the environment.
Both the prose and poetry in this volume are generally concerned with objective description, and both deal with exotic subjects, chiefly classical mythology, France, and Asia.
Such clinics are generally concerned with one particular medical interest, usually one of the following: tuberculosis, sexually transmitted diseases, prenatal care, well-baby care, teeth, tonsils, eyes, crippled children, and mental health.
Furthermore, while there are studies about how technology (not decision support tools) re-scripts agricultural societies, these are generally concerned with macro-level impacts (e.g. labour changes), rather than exploring life on individual farms.
Brazil's ongoing struggle with football violence, at least, is unlikely to be an issue during the World Cup – the country's notorious torcidas organizadas, or hooligan gangs, mainly consisting of youths from poor urban neighbourhoods, are generally concerned with purely tribal spats with local rivals, and are unlikely to be interested in scrapping with foreign fans.
In the context of sustainability, the type of equity we're generally concerned with is over time, or what we call intergenerational equity.
The field of poultry processing and products is generally concerned with converting live poultry into food products for human consumption.
Her research is generally concerned with issues related to documentary film, recently to do with questions of the political in documentary.
