In my experience, technical skills are the least valued by managements. They have the idea that techies are a fungible resource and will optimize by letting go

In my experience, technical skills are the least valued by managements. They have the idea that techies are a fungible resource and will optimize by letting go of the experienced folk who are costing too much and hiring eager young 'uns to save on payroll. Take a good look at your company, since you have been there have the ranks of managers increased? Have they ever laid off anybody who contributed to revenue or was adept at playing politics? Your keen observations will tell you everything that you need to know.