The phrase "are increasingly treated" is correct and usable in written English.
It can be used to describe a growing trend or change in how something is regarded or handled over time.
Example: "In recent years, mental health issues are increasingly treated with a holistic approach that includes therapy, medication, and lifestyle changes."
Alternatives: "are more frequently addressed" or "are progressively handled".
But in the professional services, former employees are increasingly treated as assets, not turncoats.
Basin level conversations amongst water experts and river communities are increasingly treated as a 'security narrative'.
Condyle fractures are common in children and are increasingly treated with open reduction.
For homeless people, routine behavior like eating, sitting, sleeping, offering and asking for food are increasingly treated as criminal acts.
In the current American conversation, women are increasingly treated as children: defenseless, incapable of consent, always on the verge of being victimized.
Still more recent, though is the way new year messages across the world are increasingly treated as a pretext for international initiatives and grandstanding.
Consumers are increasingly treating videotapes more like permanent possessions than one-night diversions.
Law enforcement officials are increasingly treating overdose deaths as homicides and are using laws aimed at drug dealers to file charges against friends and family members.
Young guitarists seeking fresh approaches and a new hybridity between their instruments and gear are increasingly treating jazz, metal and electronic music as interrelated systems.
But instead of giving private e-mail the same legal protections as private letters, courts are increasingly treating e-mail as if it were no more private than a postcard.
As a result, business travelers are increasingly treating them as destinations in themselves, offering a night or more that takes the blur out of the regular run of business hotels.
