It's making a dent in opioid sales.
Kratom has effectively no hallucinogenic effect, and the volume that must be consumed to approach anything like that is ridiculously high. I've got a little stash of it in my medicine cabinet, that gets pulled out maybe once a year if I tweak my back unbearably.
I wish it were easier to grow in the US. It's very temperamental and requires a tropical climate. It'd be nice to get millions of plants growing in the wild, all over the place, to make a ban or sched 1 classification impossible to enforce.