It's mostly because Western Medicine is a subordinated industry which is mostly a 'feminine' industry.
I remember Cops and Security used to get peeved with me, because when it came to violent Psyche patients - I seemed to be able to do a better job handling them, than them.
You see - in the 'West', like Australia is (via politics), male nurses are supposed to be all 'Gay'.
Can't have male nurses who know how to handle themselves, have an alpha sense of masculinity making them look bad in front of the female nurses now.

Might put the Security out of a job if all the male Nurses started to be 'tougher' than them, etc.
But of course, such male nurses are rare mainly because the industry can't cope with 'Alpha Males' who can void violence, etc.
Throw in the fact that the Medical Industry doesn't want to fix its own system and call for a major recruitment in males, especially 'Alpha Males' with balls. Instead, despite how 'heavy' and 'violent' the Medical Industry can be - they still aim for Female Staff more or Gay Males.
Also the fact that by using Universities to train Nurses - they come out of Uni thinking they will be doing mostly 'white collar' work and 50% usually quit in the first year as the 'physical' workload is just too much for them.
There is a very large part of Nursing that requires 'Cleverness', physical efficiency and practicality - the things 'smart' people from Uni have lacking.
I was lucky to work with some Old School 'battle-axe' Nurses from when Training was done 'in-house', not at Unis and they were superb to work for.
You can tell when the South African and New Zealand guys came in to work - again, they do it the Alpha Male style and don't take crap from abusive patients. But they too seem to 'rock the boat' of how the Australian Medical Industry is.
This is one of the major reasons why many abusive patients take liberty with the too passive and subordinated Feminised Australian Medical Industry.
But hey, you get what you pay for here.