There’s a strategic disadvantage to voting in newer candidates versus incumbents.
Not if you want to retire. Not if you want your representatives to understand and share the viewpoint that retirement is good, and working yourself into the grave is bad. If they understand that, they won’t be around to remain incumbents. If those representatives are still around, it is advantageous to vote in newer candidates over the workaholic incumbents.
That helicopter will be killing more Syrian rebels than anyone else.