The article doesn't go into detail, but it also appears to streamline the workflow of requesting money from an open source project's perspective.
Each fund[0] appears to have a "Request Grant" button, which is great, as it'll mean maintainers will hopefully have a curated list of contactable organisations if they need funding for a specific initiative.
The barriers to entry here are extremely high: a few days ago I was looking into corporate sponsorship for a non open-source-related event, and after a couple of hours of Googling I was mostly unable to find contact details for relevant companies. It's definitely a natural barrier to entry which will be reduced with experience, but it will gatekeep a lot of interesting projects where organisers aren't experienced in fundraising.
Reducing this friction for Open Source projects should allow the money to much more easily go to where it's needed.
[0] Example fund: https://opencollective.com/indeed