Liquidity Drained? Could someone explain

Could someone explain the transaction below:

https://bscscan.com/tx/0x4f2005e3815c15d1a9abd8588dd1464769a00414a6b7adcbfd75a5331d378e1d

It seems like someone came in and bought a lot of tokens and then sold the tokens afterwards and took the liquidity along with it (78 BNB). I’m very curious about this and confused how it could happen

Liquidity Drained? Could someone explain