This can of course be implemented in user code but it seems like a dangerous default..! Then again, Netty also punts this (see e.g. https://github.com/netty/netty/pull/6662).

Fundamentally, users also have to respect backpressure signals and deal with some of it in their own handlers if they want the best possible response. There's only so much aleph/manifold/netty can do for you, especially if there are inputs coming from outside that aleph/netty aren't aware of.