Yes. I think that's an excellent idea. I would suggest something similar. Limiting people's ability to make money when they're on maternity leave or other EI benefits, as Melodie said, puts them in a vicious cycle when they're willing and able to work but are not allowed to work and not allowed to make money. If you do, you're penalized and it comes right off whatever else you're making.
As a mom of multiple children, I've gone back to work each time, but for shorter periods each time because I want to be able to be home with those children. Maybe if someone has multiple children, then the hours requirement could be different or could be extended over a longer period of time, so you need fewer hours to get maternity leave. As you say, if you're not even getting maternity in the first place, the issue is not that it's not enough. The issue is that it's not an option for a lot of women to have another child, if they know they won't be getting that support.
I think those are specific changes that could be made, as well as adding a health benefit plan to maternity benefits, as I mentioned. In that way, if a woman is on maternity benefits and they're just a percentage of her wage, she would still able to get that extra coverage and won't have to worry that she can't go the dentist, get mental health support, or get medication for her baby if they have troubles—all those little things that add up and go beyond the scope of what maternity leave benefits will cover.