Bankman specifically extracted 10M by creating a tax-friendly scheme: SBF would increase his own loan from 250 to 260M from Alameda, donate it to his dad, cance

Bankman specifically extracted 10M by creating a tax-friendly scheme: SBF would increase his own loan from 250 to 260M from Alameda, donate it to his dad, cancel the loan later while offsetting with a charity donation to his mother. Why did Bankman father do it ? He was humiliated by his 200k a year salary at FTX US and commanded his son pay him more.