Should a Good Employee Lose Hours to Someone with Less Senority?

Is it a good management decision to cut the hours of a worker who is experienced, high-performing, and overall is a positive force for the company and give those hours to others? I don't think it is for a number of reasons.
1. I feel it is unethical. To take a loyal employees hours and give them away to others with less time with the company is no way to treat your long-term employees. it is no way to reward somebody for 15 years of service.
2. Compromises performance of the company. In the case of a sports team, you keep your best players on the field. As long as they perform,you keep them playing, you don't take them off the field to make room for others; this is a win-win situation for the team and for the player as well. By taking your one of your best workers off the serving floor, a manger could compromise the level of service that the guest receives. This goes against Cracker Barrels core principles.
3. Lowers morale. If a senior employee, who gives exemplary performance gets their hours cut, who's hours are safe. If after 15 years a worker loses hours, what can other workers expect who put in long years with Cracker Barrel. This lowers the morale of the one who has their hours cut and can affect the morale of others as well.
4. Can discourage long time workers from staying with the company. Instead of continually bringing in new hires, why not treat long term employees in such a way that will keep them at the store. Mangers need to acknowledge and show the long term workers that they are a valuable asset to the company, not an expendable resource.
5.Can cause resentment towards new hires and management. When people come into the company, it should be a welcome site, but cutting hours to make room for new hires can cause new hires to be viewed with contempt. Instead of thinking, great here is some needed help, workers might thing, oh great, here is someone to take more of my hours.
 This is just my opinion, but I feel that I have made some valid points. As a training store moving forward, Store 425 needs to focus on boosting morale and also on building the business. Cutting the hours of quality workers who offer years of service to the company is not accomplishing either.