Why is it important to leave plenty of space when driving near motorcyclists or bicyclists?

• Because they tend to swerve unpredictably
  Explanation:

  "It's crucial always to leave plenty of space when driving near motorcyclists or bicyclists as they tend to swerve unpredictably."
• Because they often travel at much higher speeds than cars
• Because it makes it easier to draft behind them
• Because it allows for better communication through hand signals