Sentence examples for this is controversial from inspiring English sources

Oh, this is controversial.

This is controversial territory.

Obviously, this is controversial.

None of this is controversial to economists.

In tough times, this is controversial.

This is controversial, and with good reason.

Clegg says he knows this is controversial.

None of this is controversial among insiders.

Naturally, this is controversial, because of. . .

This is controversial and raises wider sustainability concerns.

Why this is controversial, or doubted, is beyond me.