Some key missed points from the summary:

"The FTC and its state partners say Amazon’s actions allow it to stop rivals and sellers from lowering prices, degrade quality for shoppers, overcharge sellers, stifle innovation, and prevent rivals from fairly competing against Amazon," the agency said in a statement.

[...]

The FTC said that Amazon, founded in 1994 and worth more than $1 trillion, punished sellers that sought to offer prices that were lower than Amazon's by making it difficult for consumers to find the seller on Amazon's platform.

Other allegations include that Amazon gave preference to its own products on its platforms over competitors also on the platform.