It could be that someone was hitting the TG wheel multiple times on a telegram exploit move.
Maybe They are trying to fix the exploit and so far have not.
Nah man, that's simply a money management move. Why giving players 0.5$ and up when you can give them around 0.01$ per spin. They should at least get rid of the other tiers, leaving them is basically false advertisement. Why having them displayed when nobody really can use them anyway?
Kind of a bad move if you ask me.