When he says contact tracing, I'm assuming it's proximity tracing that we're talking about, what Mimik was talking about. I think the position we've taken is that it's very much a consent model, much to what Fay said. You as the end-user should have the decision on your data and on whether you opt in or opt out.
Evidence of meeting #17 for Industry, Science and Technology in the 43rd Parliament, 1st Session. (The original version is on Parliament’s site, as are the minutes.) The winning word was data.
A recording is available from Parliament.