"In human cells, no biochemical reaction is accurate.” This applies to DNA replication also. What could be the possible advantageous outcome of this on DNA?

"In human cells, no biochemical reaction is accurate.” This applies

1.	"In human cells, no biochemical reaction is accurate.” This applies to DNA replication also. What could be the possible advantageous outcome of this on DNA?
Answer» "In human cells, no biochemical reaction is accurate.” This applies to DNA replication also. What could be the possible advantageous outcome of this on DNA?