Looking at what an authorised officer must consider for deciding...

Looking at what an authorised officer must consider for deciding whether a person is fit and proper.
Seems social media would come under other information.
Social media might indicate if someone wants a gun for nefarious means or to top themselves.
Usual story of bureaucratic over reach. Punishing law abiding citizens for the behaviour of a few people.
Covering themselves should something go wrong.
Employers doing similar now to job applicants.
Show us your socials.

http://classic.austlii.edu.au/au/legis/qld/consol_act/wa1990107/s10b.html

....whether there is anycriminal intelligence or other information to which the authorised officer hasaccess that indicates—
(i) the person is a risk to public safety; or
(ii)that authorising the person to possess a weapon would be contrary to thepublic interest; and
(d) the public interest.