Distinguishability of electrons separated by large distances

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What is the problem in distinguishing two electrons separated by large distances, unless they are entangled. Does distinguishability mean that all electrons in the universe is somehow entangled?
 
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I can't distinguish the letters in your crazy font.

Why do people do that? I really don't get it.
 
Sorry Ben for the bad font i used. Read it again below-

What is the problem in distinguishing two electrons separated by large distances, unless they are entangled. Does distinguishability mean that all electrons in the universe is somehow entangled?
 

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