No.
No.
Is there such thing as "too horizontal" provided the bar can still safely be held on the back, the bar stays over the midfoot, and depth can be reached?
It would require a very closed hip angle, and consequently a very forward knee position. Not optimum.
Forward of the toes, certainly. Long femurs/short tibias.
Giri, here is a picture of Niki Sims, a starting strength coach with really long femurs. Her knees go past her toes and she is still performing a very good lbbs.
https://instagram.com/p/4P3-htnOOQ/?...y=trapsandcats