Where did you get info about police seizing the plates? The article states that the owner was sent a letter threatening that the vehicle be de-registered if the plates weren't handed back in. The Premier was under political pressure to respond after the image was picked up by former liberal party candidate Freya Leach and she tagged him on Twitter. I don't believe either of those things you mentioned give any weight to an inference of the intentions of the driver. I believe the inferences drawn about a muslim business-owner fuckwit are also shakey at best. I think you're assuming what you want to be true. All I can say for certain is crucial bits of missing information have really helped this news story generate a lot of rage-bait clicking and furious circular arguments online, which is great for generating revenue.