There's agency but it's being manipulated by psychological tricks since the advent of the whole PR industry. That's how it was born, Edward Bernays discovered he could use techniques borrowed from his uncle Sigmund Freud to manipulate people to buy stuff.
Given this trickery I wouldn't say that people have absolute complete agency, they are being exploited, even more the ones that are more affected by trick A or B. I do agree it should be more nuanced than "it's killing humanity" but at the same time I believe you should meet more in the middle that there are manipulative tactics used by the whole PR industry that are exploitative, and do affect people's agency.
Given this trickery I wouldn't say that people have absolute complete agency, they are being exploited, even more the ones that are more affected by trick A or B. I do agree it should be more nuanced than "it's killing humanity" but at the same time I believe you should meet more in the middle that there are manipulative tactics used by the whole PR industry that are exploitative, and do affect people's agency.