It's so easy to be critical of your teams and it takes a lot of courage, self-awareness and self-management to take responsibility for your own emotions, behaviours and actions. The ability to perform, or outperform, your competition is an indication of where energy and focus are getting directed inside the business.
It starts affecting general wellbeing and employees start fearing underperformance, petty criticism and job loss. The issue is that everyone is spending more time on politics and less time focused on delivering their work.