Clinton fucked up three ways that cost her the election:
She told coal workers in Ohio and West Virginia that she wanted to put them out of work. Which caught the ear of Pennsylvania which is, you know, in between Ohio and West Virginia.
Her attempt to walk it back was insincere and cost her PA.
She completely and utterly failed to campaign in Michigan and Wisconsin, assuming she’d win them by default
Clinton fucked up three ways that cost her the election:
Her attempt to walk it back was insincere and cost her PA.
Those three states cost her the election.
That would be some of the many reasons, yes.