Because you haven't articulated them were well. My experiences with OKR's is that they are an cargo cult practices covering the lack of good coherent strategy,

Because you haven't articulated them were well. My experiences with OKR's is that they are an cargo cult practices covering the lack of good coherent strategy, the exception to this is things that looks like OKR's but evolved differently within the organization rather then being adopted top down by a set of management consultants.