No indicators on the unit itself, but the opposite side normally only has the red man light illuminated if you've pressed it doesn't it, and no light at all if it needs to be pressed and hasn't?

At least that's the way it is here in NZ, and when I've been in Sydney, Melbourne and Brisbane I haven't obviously noticed a general difference to here in NZ (there are particular crossings that are sometimes a bit different, i.e. you never need to press, but)...

In NSW, the red man is always there. No indication that the button press did anything at all.

Feedback would obviously solve (or at least alleviate) the problem I mentioned. It would, however, be much less amusing.

That big button, incidentally, is quite a nice piece of industrial engineering. It uses a hall effect sensor and magnets to maximise the lifetime of the button.

For those not from AU, the PB/5 [0] is an icon of design history.

[0]: https://theconversation.com/sublime-design-the-pb-5-pedestri...