As such it is highly controversial.
Computing (2010)
The use and exchange of this data is highly controversial.
The Times Literary Supplement (2010)
It was hardly surprising that some parts of it proved highly controversial.
Brown, Muriel & Payne Sarah Introduction to Social Administration in Britain (1990)
Her theory was highly controversial but she stuck to until it won mainstream acceptance.
Times, Sunday Times (2011)
But such a change will be highly controversial.
Times, Sunday Times (2012)