I'm not going to debate the long established medical definition of what a identical twin is with you.
That question you are asking is so obvious a straw man argument it isn't worthy of a response, but to help you understand the obvious
My brother and I have the same DNA (identical) but are two different people.
Identical twins are not clones as your question proposes
Isn’t it also possible that the mother had sex with different sperm donors within days of conception?