Arizona Senator Voices Opposition To Reforming Senate Filibuster

President Joe Biden met with Senators Joe Manchin and Kyrsten Sinema to discuss changing Senate filibuster rules to pass voting rights legislation. Sinema supports the legislation but opposes altering filibuster rules, citing concerns about division. Her stance has disappointed many in Arizona, including Democrats and community groups. As long as Sinema and Manchin oppose filibuster changes, the voting rights legislation is unlikely to pass.

What was the reaction of Arizona Democrats and community groups to Sinema's stance on the filibuster?

According to the text, what is the implication of having Sinema and Manchin known to the filibuster?