Why do trump supporters act like having 70 million voters is the majority when there are 230 million adults that could vote against them?

These are the children that say "oh you should not insult 70 million people who support trump" yet they love to go and insult democrats and call them fascist but can't handle it when the table are turned.

Why do trump supporters act like having 70 million voters is the majority when there are 230 million adults that could vote against them?
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