Here's me at The Spinoff, with a round-up of eight reasons that you're likely overestimating how bad things would be - and especially if you're used to a Parliamentary system with party-line votes.
To be really clear: I am in no way saying it won't be bad. It just likely won't be as bad as you're expecting.
The really scary thing is that there seems to be a big constituency for what he's selling. Worry less about Trump, more about that.
Update: On that last point, see also Steven Mazie's piece over at Big Think.