The ethos associated with the culture of abbeviation, which most of the on-line community exercises, undermines the value of commuunicatioing insightfully
through sustained explanation and explication. By insisting that complex ideas by communicated in 280 words or less, you undermine the students' freedom
to express themselves throughly.
The cuture of abbreviation is driven by market values and sound bites presented as truth, not erudition.