Is this a new modern way to lead people on now?

Let's say a girl gives you true genuine feelings. You're attached to this person, connected, and you have deep emotional conversations. Then, all of a sudden, she just ghosts you *poof*. Then when you try to see her. She acts like nothing has happened, and you're just a stranger /acquaintance to her.

Is this a new way to lead people on. Normally, when someone leads you on, you feel like you're being played, or is this a manipulated tactic, or was she giving me fake emotions.

Thanks
Is this a new modern way to lead people on now?
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