Each pronoun should agree with its antecedent in <span>number.
</span>For example: Jane bought the dress she liked.
She agrees with the antecedent Jane in number, they are both singular.
You wouldn't be able to say:
Jane bought the dress they liked.
<span>It wouldn't refer to the same antecedent.</span>
I'm not gonna write a whole essay for you BUT I will give you one thing. Yes, they do isolate users from social interaction. They should sometimes be put aside but not always.
