Aggregating them into 1 transaction takes a lot less time and effort for nodes to validate. Without payment channels, smaller sized transactions get in the way in which of even bigger types, congesting the network and expanding the validation workload of nodes. Ivandro Salvador dos Santos Zeferino 12/10/2023 at https://financefeeds.com/donald-trump-american-greatness-and-new-frontiers-in-copyright/