The modern game of table tennis has become one that's dominated by players who play very fast aggressive topspin strokes with an attacking / offensive style of play.
The number of top players who use a defensive style has diminished significantly, although at a local level, there are still many players who adopt this technique.
However, top players who use this style of play, such as Japan's Koji Matsushita are popular with table tennis crowds all around the world, as they create a great foil to the attacking player.
The backspin chop is a stroke which attempts to negate the attacking strokes of your opponent and relies on a player having good movement and the right types of table tennis rubbers.