Which authorities specifically say that this is the underlying question? When Trudeau announced the policy, he said it was about "keeping Canadians safe, protecting people's jobs" (https://www.bbc.com/news/world-us-canada-60383385) - it doesn't really sound to me like his goal was to protect protest donors from potential fraud.
The TD bank had already requested prior to the act some direction on what to do with the funds "“We are unable to release the funds without the court’s direction because multiple parties, including the account holder, intended recipients and some donors, may be entitled to the funds,” a TD spokesperson said."
“The illegal blockades have highlighted the fact that crowdfunding platforms and some of the payment service providers they use are not fully captured under the proceeds of crime and terrorist financing act,” said Deputy Prime Minister Chrystia Freeland.
