To reduce the toxicity of certain types of players two things should be implemented:
1. Give a frequent "bonus" daily quest to play 15 games without showing the time out fuse and without conceding.

1. Players that rage quit and run the timer on opponents get a 15 minute ban from games, doubling each time it's done in a 24 hour period.

While I understand freezes and bad connections happen, it's a huge problem of how many players are of poor sport and waste the time of others.