From the full Sota article: At the same time I was also developing an awareness that, performance-wise, my Cosmos had lost a step compared to similarly priced

From the full Sota article: At the same time I was also developing an awareness that, performance-wise, my Cosmos had lost a step compared to similarly priced rigs. As with an aging athlete, the years may have taken their toll. Its reflexes didn’t seem as sharp, its sound as open or articulate.