There is no large group of normie non-engaged voters who could be influenced by Hasan Piker saying Hillary Clinton is the bees knees. If that normie goes on Hasan's social media and sees a bunch of Hakeem Jeffries fan cams, they're gonna turn away. If Hasan turns into Stephen Colbert or Brian Tyler Cohen he will lose most of his audience.
The fundamental mistake you're making here is thinking everyone who isn't diehard Democrat is a rube who can be tricked into loving the Do-Nothing Democratic Party. This non-engaged demographic have ideological priors. They're not agnostic about the issues, they just don't see the Democratic Party as a legitimate force to enact them. They're not engaged because the mainstream political spectacle isn't speaking to them. The influencers who do speak to them would nuke their appeal if they started doing obvious Democrat propaganda without the Democrats giving them some ammunition by actually doing good shyt. We both have the same goal of seeing Republicans taken out, but instead of doing the actual work of addressing the criticism that the non-engaged are levelling at Democrats, you're trying to take a shortcut by assuming the people are stupid so they should just enthusiastic about scraps being thrown at them.
Y'all are literally doing this:
The propaganda balance is out of whack because the Republicans responded to their base and the Democrats did not. The MAGA influencers were not super supportive and enthusiastic about Mitch McConnell and Mitt Romney and Jeb Bush. Look at how Steve Bannon or Charlie Kirk or Laura Loomer talk about those figures. They wanted to hang Mike Pence for Christ's sake. The right-wing MAGA influencers were as hostile and critical of the moderate Republicans as the left-wing Progressive influencers have been of the moderate Democrats. The difference is that the Republican Party actually responded to their energetic vanguard by turning over the party to them and making the moderates bend the knee. The Democrats Party has refused to do so, which is why the leadership is still moderate Do-Nothing Dems, which is why the progressive influencers aren't as deferential. If the Democratic Party does what the Republican Party did and hands over control to their energetic vanguard, you will see much more balance in the propaganda space.
If any progressive influencer refused to criticize shytty Democrats and only criticized shytty Republicans they would lose all credibility with their audience. We already have a group on influencers who do that, and they don't have any motion in the progressive space because people can see they're plants who aren't actually interested in the issues but are rather just knocking on your door to sell you a bible. Even the PSA Boys have had to start criticizing Biden and the Do Nothing Dems because
the actions of the Biden Administration made it too difficult to draw convincing contrast. Again, the solution here is to make the contrast large by actually changing the behavior of the party first. You can't expect progressive influencers downstream of the Democratic Party to just do party bidding like they're automatons. Give them something to actually say that isn't just "the Republicans suck, go vote for the Democrats and ignore what they are (or aren't) doing". That's a weak ass message that only moves people who are already licking Democrat boots.