I agree with the suggestion, posited by yunki, that it is possible to be too OCD about the whole hand washing thing.
BUT…
It is also true that, there are higher incidences of hepatitis A where people are less likely to wash their hands after going to the toilet.
And for those who don’t know what this means, as per the NHS:
Hepatitis A is caused by the hepatitis A virus.
The virus is most commonly spread through the “faecal-oral” route.
So why the hell would anyone want to use a toilet – public or private – and not wash their hands afterward? Contaminating them does not require a lack of loo roll. 🙄