This might further isolate humans. We have become somewhat lonelier and isolated from each other with such rapid advancements in technology, so if we no longer need to reproduce sexually, what will happen to the meaning of marriage/love/etc?
Cloned organisms are much more prone to infections, and the procedure of cloning is expensive and extensive. The process of cloning began with 277 eggs; only 30 divided; only 9 actually induced pregnancy, and only 1 survived to term.
While this is true, and a definite benefit of cloning, all you're doing is creating sets of "spare parts." If an alcoholic needs a new liver, because he has ruined his own liver, when will he learn that he is not invincible?