They're missing too many keys I consider.. critical, home/end, insert/delete, F-Keys, a modern 10-key layout - as I'm typing this on a modern production Model M

They're missing too many keys I consider.. critical, home/end, insert/delete, F-Keys, a modern 10-key layout - as I'm typing this on a modern production Model M, I'm hard pressed to tell what makes these better than the unicomp ones I have now.