they should try running in local races if they want to be taken seriously
They do:
Californians have elected 55 of the 226 office-holding Greens nationwide. Other states with high numbers of Green elected officials include Pennsylvania (31), Wisconsin (23), Massachusetts (18) and Maine (17). Maine has the highest per capita number of Green elected officials in the country and the largest Green registration percentage with more than 29,273 Greens comprising 2.95% of the electorate as of November 2006.[68] Madison, Wisconsin is the city with the most Green elected officials (8), followed by Portland, Maine (7).
They do:
Californians have elected 55 of the 226 office-holding Greens nationwide. Other states with high numbers of Green elected officials include Pennsylvania (31), Wisconsin (23), Massachusetts (18) and Maine (17). Maine has the highest per capita number of Green elected officials in the country and the largest Green registration percentage with more than 29,273 Greens comprising 2.95% of the electorate as of November 2006.[68] Madison, Wisconsin is the city with the most Green elected officials (8), followed by Portland, Maine (7).
Also:
https://montanafreepress.org/2024/08/21/green-party-candidate-files-to-join-u-s-senate-race/
https://www.washingtonexaminer.com/news/3127249/eight-green-party-write-ins-will-run-in-the-general-election/