capitalism is fundamentally incompatible with actual infosec. it's great at faking it, at selling you a product that says it will solve all your security problems and which will just be another attack surface, but the core goal of increasing corporate profits will always be at odds with nearly every possible aspect of information security
run an adblocker for both personal security and ideological reasons. something like uBlock origin is going to be more effective at keeping horrible shit off your computer than actual malware scanners will, because tricking you into installing that shit yourself is the primary attack vector for it these days. it's just social engineering, but automated to use ad networks so it's much more efficient
It's probably the most impactful computer security thing you can do as a consumer.
More than that, these days it's a completely different way to experience the Internet, psychologically. I used to think banner ads and popups were bad, but we didn't have the bandwidth for autoplaying video back then...