It indicates importance of the topic and hardness of disgreement. Tabs vs spaces - people disagree but usually can adapt to the team if needed. Use java1.4 fo

It indicates importance of the topic and hardness of disgreement. Tabs vs spaces - people disagree but usually can adapt to the team if needed. Use java1.4 for green-field web app - hard disagreement for many, looking for new job is more attractive option.