The teenage son of deposed NBA coach Avery Johnson isn't happy — nor is he afraid to vent publicly on Twitter. Did he go too far?

The Brooklyn Nets have fired head coach Avery Johnson, as first reported by Adrian Wojnarowski of Yahoo! Sports.

The teenage son of deposed NBA coach Avery Johnson isn't happy — nor is he afraid to vent publicly on Twitter. Did he go too far?

Brooklyn Nets head coach Avery Johnson yells during the second half of an NBA basketball game against the Milwaukee Bucks at Barclays Center, Sunday, Dec. 9, 2012, in New York. (AP Photo/Seth Wenig). The Brooklyn Nets have fired head coach Avery