first, ethical standards prevent against the fabrication or falsifying of data and therefore, promote the pursuit of knowledge and truth which is the primary goal of research. researchers must also adhere to ethical standards in order for the public to support and believe in the research.
the hall heorot is a drinking hall, and most of the warriors stand no chance against grendel. they are drunk and are not able to attack grendel. that is part of the reason hrothgar wants beowulf to fight grendel, because the danish warriors who are too drunk.