The tlw tax dispute has been going on for about 2 years. The Ghana revenue are clearly keen to pursue this one - and the claims go back to before RD was CEO.
RD has done very little at best. Most of the improvements came due to the high oil prices. Furthermore, the merger terms that he was agreeable to were very bad for the longs - but why would he care.
When people like Big Sam and others got it so wrong - paying attention to funds buying is very misleading. Remember, they are gambling with their client's money.