Why is obfuscating the intentions of a document in dense language most people can't properly understand a thing that's allowed to be upheld? They might as well write the damn things in Esperanto for all they're worth to most of the folks who click agree.
Lawyers try to think of every interpretation and circumstance and try to be sure the agreement addresses those unambiguously. Ironically, the dense language that results is anything but unambiguous to the untrained reader.