I have no issue with the defense being tipped off. If there's no call to be made then none should be. But a runner who misses a base is not safe.
Besides the offense would be tipped off as well by the non-call.
Comp wrote:And if the umpire doesnt make a call, they have now tipped the defense that something is up. By rule, once a runner has passed a base, they are presumed to have touched it until properly appealed.