The phrase "are largely aware" is correct and usable in written English.
It can be used when discussing the general knowledge or consciousness of a group regarding a particular topic or issue.
Example: "The community members are largely aware of the environmental challenges we face and are eager to participate in solutions."
Alternatives: "are mostly aware" or "are generally aware".
Owners of Apple products were largely aware that Apple products had a large foreign manufacturing component.
As a teenager, my generation is largely aware of the need for equal rights for all and represents a large portion of many campaigns.
Those close to Mr. Hollande say that he is largely aware of what must be done to cut government spending and reduce regulations weighing down the economy, and is carefully gauging the political winds.
ED clinicians were largely aware of their deficiencies, and noted the important contribution of experience to their confidence.
Though the industry is largely aware of the strategies available for addressing the problem and willing to give them a go, there are still significant obstacles to them doing just that.
Study participants were largely aware of this but were still reluctant to engage with the model because of a combination of professional matters, pragmatic issues and attitudinal beliefs that all questioned the 'value' in exposing aspects of their professionalism on an independent, external and verifiable basis.
Companies are largely not aware of the ripple effects of caregiving.
Ordinary citizens in the bottom 99.9% are largely not aware of these systems, do not understand how they work, are unlikely to participate in them, and have little likelihood of entering the top 0.5%, much less the top 0.1%.
Thanks to government-whistle blower Edward Snowden, Americans are now largely aware that phone conversations and Internet data are being monitored all the time, yet surprisingly, few find this information disturbing.
