The original sentence is mostly grammatically correct, but there are a few minor improvements that can enhance its clarity and flow.
Here's a rephrased version:
"I will never understand why someone would go to their date's house, make a video of it, and then post it online to shame him. That’s 'gutter' behavior."
### Meaning:
The speaker is expressing confusion and disapproval about the act of visiting someone’s home (in this case, a


