Yeah, when it's bullshit like this that's clearly just companies lobbying the government to keep the common man down, I have no problems ignoring it.

Even just basic traffic laws, in my city (Toronto) the cops don't bother with any enforcement except the occasional speed trap. I've heard it's a form of protest on their part that's been going on for years.

Most people still obey most of the time, because it makes traffic flow better and keeps everyone safer. But if I need to turn left during a timed no-left restriction, I don't have a problem doing it. As long as it's not unsafe and I have a decent reason.