On an up to date Safari on Mac, not a realistic concern, and if it were, I’d use security software, not an ad blocker.

0 days exist and they are exploited in the wild sometimes

An ad-blocker /is/ security software. You don’t have to take it from me, you can read from the Cybersecurity and Infrastructure Security Agency

> AT-A-GLANCE RECOMMENDATIONS

> Standardize and Secure Web Browsers

> Deploy Advertisement Blocking Software

> Isolate Web Browsers from Operating Systems

> Implement Protective Domain Name System Technologies

Literally their second recommendation on this pamphlet about securing web browsers: https://www.cisa.gov/sites/default/files/publications/Capaci...

Moreover you don’t even need a 0-day to fall for phishing. All you need is to be a little tired or somehow not paying attention (inb4 “it will never happen to ME, I am too smart for that”)

At $JOB IT actually bundles uBlock in all the browsers available to us, as per CIA (or one of those 3-letter agencies, might've even been the NSA) guidelines it's a very important security tool. I work in banking.

Modern advertisement is malware.