I don't think deadlifts will change your lat insertion points, but I don't think you will ever build an impressive back without deadlifting.
"A pilot phase-II prospective study to test the ‘efficacy’ and tolerability of a penile-extender device in the treatment of ‘short penis’". British Journal of Urology.
So maybe deadlifts DO drop your lats?
I don't think deadlifts will change your lat insertion points, but I don't think you will ever build an impressive back without deadlifting.
if your lats get wider and thicker you will see the insertion points better so they may look lower.