Yes.
I'm pretty sure my wife pours old oil and fat down the kitchen sink despite my repeated appeals that she doesn't.
I'm not so concerned about fatbergs but blocking the waste pipe at the back of the house which is never a nice job to clean.
And of course it's "my job" to do it, never hers...
http://www.bbc.co.uk/news/av/uk-england-41246551/fatbergs-what-causes-them-and-how-to-prevent-them
Out of sight - out of mind.
Do people really need to have it explained in a childlike cartoon ?