[kuschku]

You might want to report that.

Knowingly profiting from crimes is still illegal, so you might be liable, too.

[icebraining]

I doubt it's a crime to not charge VAT.

[kuschku]

Tax fraud/evasion is very definitely a crime. VAT is just another tax.

If you can’t prove that you told Google that you are a private person using a business account, you might end up having to repay and end up with a fine.