This was my thinking as well, it's safer to never delete data and simply null route requests to it. It's what I've done in the past when I was on their side of the ethernet cable.
The youtube channel in question.
The youtube channel in question.
Is this situation really that bad? D:
If this seems interesting, the immediate priority would be to backup your cache folder immediately (%AppData%\Local\Google\Chrome\User Data\Default\Cache), then extract and search it at your leisure.
(This is all for Windows, but IIUC there are alternatives for Linux and macOS.)