The multi-trillion package has been hindered in large part due to Manchin. He has said the package is too pricey. Sen. Kyrsten Sinema also objects to some of the plan but has not met the same sort of criticism as Manchin. In addition, the two are fighting plans by Democrats to change the Senate filibuster rules.
"It is extremely uncommon to name a party colleague in a negative ad outside of a primary— but then again Joe Manchin isn't a typical Democrat," Nate Lerner, founder of digital political consultancy Build The Wave, told Newsweek.
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"I think we will see more of it moving forward as progressives split further from right-leaning Democrats like Manchin and Sinema.”
Till now, eight Democrats contesting for the Senate have targeted Manchin in their ads on the social media platforms. They include: Rep. Tim Ryan in Ohio; Lt. Gov. John Fetterman and state Rep. Malcolm Kenyatta in Pennsylvania; Adm. Michael Franken in Iowa; Lt. Gov. Mandela Barnes and basketball executive Alex Lasry in Wisconsin; and U.S. Marines veteran Lucas Kunce and U.S. Air Force veteran Jewel Kelly in Missouri, according to Newsweek.
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In addition, Reps. Alexandria Ocasio-Cortez, D-N.Y.; Ilhan Omar, D-Minn.; Pramila Jayapal D-Wash.; and Veronica Escobar, D-Texas; have run anti-Manchin ads recently.
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Two candidates running for House seats are also running ads about Manchin — Muad Hrezi, a former policy staffer to a U.S. senator, in Connecticut; and Bob Lorinser, a former State Department diplomat, in Michigan.
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In December and January, Jaypal ran 183 ads criticizing Manchin, citing his “insistence on retaining the Jim Crow filibuster,” and attacking him for “a betrayal of the millions of voters who elected Democrats.”
Ocasio-Cortez posted 72 ads to Facebook and Instagram on Jan. 13, urging people to pressure Manchin and Cinema to join with Senate Democrats in modifying the filibuster rule.
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Newsweek noted that one ad from Fetterman said: "Democrats should vote like Democrats. But right now two Democratic Senators, Joe Manchin, and Krysten Sinema are holding up Biden's agenda and preventing Democrats from Building Back Better."
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An ad from Franken, a retired Navy admiral, said: "I don't remember hearing a peep about inflation or debt when Joe Manchin voted for a $25 billion kicker to the defense budget earlier this month. Not a peep. But Senator Joe Manchin just went on Fox News and said that he will NOT vote for President Joe Biden's Build Back Better plan!"