What ever the ins and outs of his story, this bloke did Sydney and the country a service by highlighting the lack of security awareness; not only on the Harbour Bridge but in/on other places as well.
He could just as easily driven a heavy truck on to the main lines and held up the trains for a few hours.

The possibilities are endless.

Suzieonline
"I have no sympathy for people who threaten or commit violence at all."

I thought you were in favour of threats of violence as a means to make people pay so-called "child support" . When did you change your mind? If you haven't yet, is there any limit to the amount of violence that you advocate? Would you go all the way to killing?

PeterHume <"I thought you were in favour of threats of violence as a means to make people pay so-called "child support" ."

Where have I ever said that Peter?
Please find that sentence in my past posts, otherwise run along and harass someone else.

Do you condone what this guy did, or are you here simply to fire false accusations at others?

I thought the subject was we should have laws about such protests.
We do, he has been charged.
Secondary , not to the victims ,is the suffering they faced by his actions.
Now I seem not to have the full story,Medea reports first said that note in his truck asked police to close the bridge.
Saying his gear was not all safe and may fall, killing and injuring some one.
That like a great number of things Medea say, may have been untrue.
Are those against the bloke just as much dismayed by people chaining them selves to coal loaders.
Or climbing the Oprah house to do much the same in the name of some political protest.
Right or wrong the mans actions highlight we are a very weak mob, some ruling in our courts are useless and at best unaware children should be put first every time.

This was a well planned stunt. I would bet that he was over the rails and on his way up long before the security had any chance to react. He also planned to close the bridge and cause the maximum disruption, by implying that there was a danger to the commuters.

There is a world of difference to someone that chains himself to a bulldozer or the opera house. If he had climbed the bridge, unfurled his banners and said, traffic is safe, I will come down at x time, his message would probably have been heard by as many people, and probably received not as someone with a personality disorder.

SM

If the man in question has a "personality disorder" then he needs help not punishment. Clearly he was not behaving rationally.

As others have pointed out, there are penalties in place for disruptive protests. We can trust that the courts will evaluate this man's charges as unique to his circumstances, whatever they may be.

Most courts do an excellent job - we only hear about a few where justice does not appear to have been served and even then are not privy to the entire picture.