I think sometimes they just pretend they know and they create fake representations. I have never ever read in any latin text anything about that. And they used to drink vinegar instead of wine.

And think. These people actually were civilised for the time.

The most shared and spread theory is that xylospongium was actually what the video shows Even Seneca mentions this. As usual history has different interpretations, but one cannot deny the most spread hypotheses with a bunch of historians' opinions and details. https://journals.lww.com/dcrjournal/citation/2016/07000/postdefecation_cleansing_methods__tissue_paper_or.15.aspx https://www.bmj.com/content/345/bmj.e8287

SAPIENS

What Did Ancient Romans Do Without Toilet Paper?

An archaeologist explains what ancient Roman bathrooms were like. Hint: It involved a long stick and a bucket of vinegar.