It's been proven to work, and it makes it much fairer than it is now. All the parties rely on wealthy donors. Those people I'm sure have more influence. The current donation limit facilitates funnelling, which SNC-Lavalin did. It also facilitates bundling, lobbyists holding big fundraisers in their homes off the record, then saying they just delivered 100 people who donated the max each, and those people I'm sure also have enormous influence on all the parties. We just don't know who they are.
On June 5th, 2018. See this statement in context.