Invasive species, echo chambers, and community: This week on Rhizo15!

I was going for a News show feel with that title. I don't think it came across. The more I think about it the more I am thinking that video might satiate my dramatic tendencies - but that would take more acting talent and more time. It's just text for now! If you have an idea for a name for a Mock News Show (like the Daily Show but for EdTech, drop a comment ;-) ) So, week 5 Rhizo15 - this means that there is only one more week left if I am not mistaken. Dave talks about the doom and gloom of community . It's such an invasive species. It assimilates all that it touches. Oh my! Just to set the stage here Dave asks if community is just replacing one authority - the instructor - for another, which I would guess he means the Hegemony of the Group. Is the course becoming an echo chamber? Does the rhizome choke the air out of everything it touches? I am pretty sure that Dave is being controversial here (surprised?) and possibly a little tongue in c...