It is not 'contestable' that male people with a transgender identity are a safety risk
Clearly it is given its legal for trans women to use female public restrooms in many countries & jurisdictions globally including in Europe, Scandinavia, Asia & North America so any tenuous speculation regarding prison data made is obviously not reflective of safety concerns in all of these countries. Again there are no broad movements in them to change laws which is the ultimate barometer of safety concerns.
And I do hold 'cards' in the Australian discussion, being an Australian and all. So, no. I am not 'colonising' anything and it is rather offensive to suggest that I am.
You aren't just advocating for a system to be imposed in Britain but for an imposition of a British system upon the rest of the world which in essence a form of colonisation. Of course this isn't anything new for British arrogance that always seems to end in tears.
Perhaps your time might be better spent on what forces have enabled Britain to be riddled with mismanagement, poverty & crime that have created their burgeoning prison system that's being exploited to push political pet projects home…and abroad rather than deal with the real underlying causes.
In other words, mind your own back yard first….it certainly needs tending.