Eh, these look like features to me.
"The Top 10 Series has decided to help Bungie out by highlighting ten hilarious glitches and bugs of the Halo Reach Beta. So, if you're a Bungie employee make sure to take good notes and if you're not an employee, then just sit back and enjoy!
YouTube - Top 10 Halo Reach Beta Glitches and Bugs: Episode 7
To submit your clips, go to Top10Series.com
and click "Submit a Video" to enter for Episode 55: Multikills and Episode 56: Snipes."