some municipalities like toronto offer up to 5,000 grants to people who want to open a pollinator garden with their community. The grant is available for people who wish to start a club of 3+ members from different houses in a community to educate people about pollinators and plants for them.
it is also difficult to get people to plant native species, as in some areas they are often not very pretty or difficult to maintain. Even with more hardy species, it’s easy to end up with flowers that bloom at the same time and don’t provide the respite pollinators really need.
some people also smuggle pesticides and use them recklessly