The lack of outcry from women's rights groups in the west is not surprisingly, deafening.
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The pretext for her arrest is that Huawei has violated US sanctions against Iran. But the "sanctions" imposed on Iran by the US recently are illegal under international law, that is under the UN Charter that stipulates that only the Security Council can impose economic sanctions on a nation. The latest American sanctions are not approved by the Security Council. Sanctions imposed unilaterally by one nation against another are not legal and are violation of international law. There is, therefore, no law that she or Huawei is violating.
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Trudeau's statement that this arbitrary arrest was not politically motivated and that he was not involved in giving orders for Canadian police to detain her once she landed in Vancouver is preposterous since the Extradition Treaty between Canada and the United States requires that the United States inform the Canadian foreign ministry of its request and send them the documents supporting the request.

Further Article 2 of the Treaty requires that Canada can only act on such a request if, and only if, the offence alleged is also an offence by the laws of both contracting parties. But the unilaterally imposed and illegal sanctions placed against Iran by the USA, are not punishable acts in Canada and even in the USA the "sanctions" are illegal as the are in violation of the UN Charter.