Earlier quoted context omitted.
I think the common opinion is that nobody will want or use the metaverse. Getting paid to build something that nobody will use isn't immoral, it's amoral.
Helping an advertiser trick kids into spending their time in a pupil dilation monitor/retinal scanner so that ads can be optimized for impact based on biometric markers isn't amoral, it's immoral.
When you peel back the layers and figure out how this sausage is made, underneath it's just sociology and broad target audiences. (Age, sex, location, social status.)
Retinal scans don't help solve this problem.