"is only encouraged" is grammatically correct and can be used in written English.
It is used to indicate that something is not mandatory or required, but rather suggested or recommended. Example: "Regular exercise is only encouraged for good health, not mandated by law."
I generally stay quiet on the cryptocurrency and Bitcoin front, not because I hold any strong position in either (I own zero cryptocurrency) but because I think it's a stupid, feverish fad that is only encouraged by allowing it any kind of oxygen whatsoever.
Assad is only encouraged to intensify the use of barrel bombs because he faces no consequences for his crimes.
This is especially true for child beggars, whose begging is only encouraged by your donation when they should be in school.
Therefore, running away is only encouraged if it is your very last resort.[9].
Economists worry this is only encouraging them to take risks again, which could mean another crisis in the future.
The Sierra Club, an environmental group, objects to the proposed use of underground storage wells, arguing that by building a drinking water infrastructure to accommodate 15m people Florida is only encouraging further urban sprawl during the next century.
Kyenge was appointed to the cabinet in April, and Calderoli added that "maybe Kyenge should be a minister in her own country [sic] … she is only encouraging illegal immigrants to dream of success".
According to IBM's X-force Research security team, that's one more reason that buying bugs, even with the intention of reporting them, is only encouraging an industry that thrives on extortion.
And, our presence there is only encouraging the civil war to go on.
"Most urban and suburban dogs are only encouraged to be themselves for a small fraction of the day," Braitman writes.
They were only encouraged to push harder, taunt louder, when he begged off a 1990 conference finals game against the Pistons with a migraine.
