Even if they've never given you shoulder problems, they're not the best unless you have to use them in a competitive setting. CrossFit uses overhead swings so that each rep can be counted.
But if you're not a competitor who needs to use the overhead version, your posterior chain will get more out of the exercise by just using a heavier kettlebell and doing standard Russian swing.
Hey, wanna tick a lot of people off? Want to start a flame war, a heated academic discussion, or just a good old-fashioned penis-waving contest? Then come out publicly and say that total body training is better than body part split training.