The phrase "major controversy" refers to a situation or topic that causes a big disagreement or argument among a large number of people. It is characterized by strong opposing opinions and often creates intense debate and conflict. Full definition
Bitcoin Cash was a subject of major controversy over the past week as Twitter had decided to ban the @Bitcoin account which was pro-BCH. (cryptocrimson.com)
One major controversy with ceratopsians (the family of Triceratops and Protoceratops) is whether they stood on straight legs like rhinos or crouched crook - legged like crocodiles. (discovermagazine.com)
It has also sparked major controversy over environmental concerns, nowhere more so than in California. (energytomorrow.org)