Flight delays

This is the 3rd consecutive flight with SAA that is delayed. The knock on from technical issues on incoming flight became ‘crew rest ‘ in my early flight this morning. They don’t have the systems in place to notify customers automatically of these delays nor do they care the business impact it has and the loss of turnover on especially small businesses. Bottom line they don’t care! They are apathetic and believe explaining their helplessness qualifies as legitimizing their lack of delivery and the damage they cause. If I had other options I would not use this carrier - they cannot be trusted.