It's funny to read all the defamatory shit people say about each other on some internet forums; much is actionable and would warrant a defamation lawsuit but few ever bother, given the hideous cost and lack of deep pockets to pay any judgment.
But there are exceptions.
A Nevada jury awarded over 35 million after a seven day trial; the plaintiff was wealthy and seemingly spared no expense, hiring "the best and the brightest."
see: https://www.mitchell-attorneys.com/internet-defamation
Ben Franklin's advice rings true more than ever: “He that would live in peace & at ease, Must not speak all he knows or judge all he sees.”