Advertising doesn't inherently imply wastefulness or even being spyware or a malware & scam vector. If all the negative externalities were properly priced in,

Advertising doesn't inherently imply wastefulness or even being spyware or a malware & scam vector. If all the negative externalities were properly priced in, a lot of bottom-feeding crap at all layers of the stack will die off, but advertising itself will remain and would actually become better as a result for all parties involved.