Those joints look bulky
as far as players, kobes/PGs/Kyries did seem to be the popular choice pre Kobes death
Basketball Shoes NBA Players Are Wearing Today | Stadium Talk
The Most Popular Shoes And Brands Worn By Players Around The NBA - 2018 Edition | Baller Shoes DB
What are the most popular shoes worn by young NBA players?
^^Kobes shoe in 2017 was worn #1 by players, MJ 2, Bron 3
Conclusion: its factually incorrect to say that nobody or even a minority (both in the NBA and general public) wears Lebron signature shoes to hoop in.
IN the league, the popular choices before Kobe died seem to anecdotally be Kobe 4s/Kobe ADs, Kyries, PG's with Brons coming around 4th place.