This is a very “inside baseball” take. The average person just does not care at all about privacy from large corporations. It’s not even on their radar as a topic about which to have an opinion.
I think the biggest hurdles to widespread adoption are ease of connectivity (getting pics and videos “out” of glasses and onto phone/laptop/cloud), ultra high def images, size of on device storage, and battery life. Those are tough, given the form factor. But, if cracked, these will be huge.
The main concern of the average person is to not look like a dork. Second, is interoperability with the services upon which they rely. So, privacy concerns won't matter to most, but being trapped in a Meta garden will.
Privacy was certainly one of the widely stated objections to Google Glass, especially after an app that allowed you to snap a photo by double blinking appeared.
I think the biggest hurdles to widespread adoption are ease of connectivity (getting pics and videos “out” of glasses and onto phone/laptop/cloud), ultra high def images, size of on device storage, and battery life. Those are tough, given the form factor. But, if cracked, these will be huge.