The human survival instinct is to group. Once in a group, the defense of your choice of group is a big driver separate from any opinion consensus that happens within the group.

The internet group wasn't able to shove "yourcompanyhere.com" down their throats because only brick and mortar companies were immediately stupid and suddenly a failed concept. It took time for that group at large to see others IN their group succeeding and winning with ".com" and then the bulk of the group couldn't move fast enough.

But the entire time before that massive move was the group's constant dismissal of those very few inside and everyone outside their group talking about these internet website play things

Internet companies weren't "real" companies is one example.