The use of "less controlled" is correct, and it can be used in written English in many different contexts.
For example, you might say: "The new regulations allowed for less controlled growth in the city."
"The jury court is less controlled.
The Android world is more chaotic, less controlled.
Judith's subsequent miracles are more equivocal than the snow: less definite, less controlled.
What Elena lays out on the page, at first with apparent assurance, becomes increasingly less controlled.
From here, though, the rest of this period was more or less controlled by Koller's men.
It's a little rambling, but you can feel Mr. Tynek trying something new and less controlled.
But the talent so brilliantly announced in the symphony always seems less controlled and focused in The Nose.
The government is more or less controlled by the People's United Party, which is aiming at total independence for Brit.
She will have to navigate far less controlled campaign settings that will test not only her political skills but also her knowledge of foreign and domestic policy.
Mark Blythman, communications director for Greene King, said alcohol consumption has moved from licensed premises to off-sales, such as from supermarkets, where they are much less controlled.
I admit there have been rare occasions in the last nine years where if he had walked back into the room I might have been less controlled.
