I'm pretty left of center, but it seems hard to argue against capitalism being capable of serving as a beneficial component of a thriving society. Somebody like Jeff Bezos, as much as we on the left criticize his huge hoarding of wealth, has basically built a small country's economy from scratch, employing a ton of people along the way, all while simultaneously improving our nation's logistical network immeasurably. The public good has been even more obvious during the pandemic.
Most former conservatives probably already know this, but I think a lot of the younger leftists would benefit from a reminder that capitalists can actually create value; and when they do, the wealth they accumulate for themselves is itself just a portion of a much larger benefit they bring to society. Sure, it sucks that Amazon has driven out a lot of mom and pop stores, and Bezos really could provide health care for every employee that doesn't have it without any meaningful decline in his standard of living, but the American citizen still won, in aggregate.
But that's a digression. I think that America is in the process of finding out that capitalism can be lethally injected with oligarchy just like communism. When a society shifts towards sustaining a small ruling class of people who have no experience creating value, the invisible hand can no longer function properly. Capitalism relies on the assumption that your competitors will punish bad decision making, which doesn't hold when there is a system in place that puts unqualified people at the top of every company, including your competitors.
IMO the conservative movement got duped into believing that capitalism is inherently beneficial, rather than just one component of a thriving society, and the progressive movement got duped into believing that capitalism is inherently harmful.