https://stackdiary.com/web-environment-integrity/
On banking websites, yes.
You know something is wrong if your bank's website needs adblocking. No wonder the internet has gone to shit... Is it that bad in other countries? ( i live in a country where bank sites dont have ads )
I live in the US. If I turn on uBlock for banking websites, they often don't work.
It's usually some analytics script, which as recent events with tax preparers have shown ought to be blocked as a security risk.
Analytics and my money. Ye no, those dont mix