Either it's employers who got tired of people not even knowing the basics of git (which would be common to any dvcs) and weren't productive as a result.
Or it's folks that think the base set of linux tools are the be-all-end-all of programming. ("Why use Dropbox when I can rsync", "Use the ext4 filesystem as a database and store metadata in inodes and use git for MVCC", "I will do sed | awk | cut | xargs find | tr instead of a 10 line python script").
Or it's folks that cult-follow one of the two groups above.
Or it's folks that think the base set of linux tools are the be-all-end-all of programming. ("Why use Dropbox when I can rsync", "Use the ext4 filesystem as a database and store metadata in inodes and use git for MVCC", "I will do sed | awk | cut | xargs find | tr instead of a 10 line python script").
Or it's folks that cult-follow one of the two groups above.