How do you know?Photo bucket makes money from advertising, that's all those scripts are
I don't, you don't, that is why you have admin passwords, anti virus, ad-block, virtual browsers and anti malware.
And it's not just the risk of cross-site attacks, there are also privacy, tracking, advertising issues.
There is protecting your privacy, and then there is the metaphorical living in the woods wearing a tinfoil hat.
Noscript breaks most websites without time consuming fiddling to white-list individual scripts and become familiar with domains, a waste of time for the average user as the hassle far outweighs the potential benefit.