Be Bernie Sanders, apparently.
The bar is pretty low. Don't be an obvious crook or treat yourself like you're in a different class and flout it. Don't vote party lines if it doesn't reflect your constituency, and encourage grassroots involvement and policy voting.
Identity politics drove people off the deep end, because if you disliked Clinton's track record of neoliberal politics, her flagrant corruption and disdain for the working class, and penchant for globalism, then you failed the loyalty test and could be freely ostracized as a secret bigot or false flag operator.
That should have been quashed hard by journalists, but the media lined up, and then Big Tech started putting their fingers on the scales, and we were all left worse off for it.
Trust is earned over a lifetime of accountability and consistency, but that's harder than taking payouts from special interests and voting how your party wants. As they say, eagles may soar, but weasels don't get sucked into jet engines.