RQ - youtube

Question 1

why could youtube be argued as a reliable news source

Answer 1

it may contain content which is made by some providers such as rt news, al jazeera, etc. these have been created with all the guidelines that these journalists would normally live up to.

Question 2

why could youtube be argued as an unreliable news source

Answer 2

however, it may also contain content that has been made by unknown providers who may show extreme bias in their opinions and who may not have properly researched the topics that they are making videos about.
although it can be a useful way of heating different points of view, all facts should be checked against other sources and viewers should be aware of bias in the content.