It didn't work very well (quickly enough) during the recent Hive pump to around 0.69. For those wanting to sell Hive for HBD (and hold the HBD) it was not feasible for several days.
If swapping Hive to HBD with purpose to arbitrage by sending HBD to Upbit, the sure it would be useful, but that's not the purpose of the HBD Stabiliser.
RE: Data on the HBDStabilizer Performance | HBD Added in the DHF and Removed from Circulation | Jan 2025