Bustabit bankroll currently shows on their website as: around 4800 BTC

Bustadice bankroll currently shows on their website as: around 2000 BTC

If memory serves correct there was a combined investment of over 11,000 BTC until just a few weeks ago. Why would such a large amount of BTC be divested in such a short amount time when even though the returns for bankroll investors might have been less of a share with recent changes but at least the BTC would have stayed safe with a reputable and trustworthy website?