Ad-blocking is a gray-area when it comes to ethical use of the Internet and navigating free content of public websites. It helps make the web less profitable for websites that depend heavily on ad revenue for keeping the lights on. The biggest argument for its use is the propensity of ads for hosting malicious javascripts, hosting malware, cryptomine the browser and other covert malicious activities. Mobile device use is growing, while desktop/laptop consumer usage is shrinking, as per Statcounter, only 48.65% of Internet browsing activities they detected for May 2019 occurred in traditional desktop or laptop.”]
Source: https://hackercombat.com/a-quick-lesson-in-mobile-device-ad-blocking/