"far less of a problem" is a perfectly correct and usable phrase in written English.
You can use it to describe a reduced amount of difficulty or difficulty that is easy to overcome. For example: "I thought the test would be difficult, but it was far less of a problem than I anticipated."
This would be far less of a problem if John's voice weren't so drab and unremarkable.
The science is far less of a problem than resources and willpower.
Most of the costs of an aging American society have to do with skyrocketing health care costs — far less of a problem in Europe.
And while overprescription may remain a problem in some cases, data suggests it is far less of a problem than it used to be.
And why make a fuss about Japanese knotweed, which may be the scourge of gardeners but is far less of a problem in the countryside than native bracken or ivy?
Hush money paid to mistresses is sexy, attention-getting stuff, but it's also far less of a problem for our democracy than all the rule-fudging that's beginning to define our campaign financing system.
But within this, recreational drug users, social dealers, and nightclubs were far less of a crime problem than alcohol, a drug which few officers had a problem with.
But within this, recreational drug users, social dealers and nightclubs were far less of a crime problem than alcohol, a drug which few officers had a problem with.
Neskantaga held a press conference in Toronto on Monday to draw attention to their reserve's two-decade ordeal, saying the debate raging in the Canadian election over the religious face covering known as a niqab is far less of a pressing issue than the problem of access to clean drinking water.
Specifically these items assess attitudes regarding commonality (Virtually anyone can become mentally ill); dangerousness (People with mental health problems are far less of a danger than most people suppose); and responsibility (People with mental health problems should not be given any responsibility).
