All the problems I've ever heard of were from people running LND.
Discussion
If you want to understand why do people think DHTs don't work, this is the reason, but instead of LND; IPFS.
Buggy implementations with lots of marketing can do this for a great design.
nostr:note1w6s6cewc8w39ztw3hw5nrq9t6gt2lpscf3ghvmhllh8senup3m5qtuaplk