Why is the PPTA not worried about far-left extremism?

The Press reports:

A secondary teachers’ union is hiring an expert to develop guidelines for dealing with the rise in far-right extremism in the classroom.

The successful applicant will be paid $10,000 to write “specific advice and guidelines for the membership on dealing with extremism in the classroom”.

Do they mean Marxist extremists? I suspect not.

Abercrombie said the union hired an expert to ensure teachers had the necessary tools.

He insisted it was not about limiting students’ free expression.

“It’s definitely not about kids can’t have right-wing political views. Of course they can, this is about keeping people safe and making sure our students can be critical of the information they receive.”

Really?