Celebrity part owners do not guarantee success. The success of a company relies upon the staff and CASA compliance. If Head of flight Ops, Quality assurance, and the CEO/GM have dropped the ball; then failure results.
CASA's concern about operating into remote or shorter than normal airstrips is justified if the aircraft are operating outside the AFM performance charts. Likewise if the airstrips do not meet current regulations for RPT/CHT ops. (I'm NOT suggesting Skytrans are operating illegally)
The issue is poor leadership from management and Chief Pilot; the concerns are not new; it is an issue that been on the table for a fair while. Forget public media, the public has little or no idea about aircraft performance. It may also be suggested that the Underwriter has also dropped the ball and has not been conducting annual audits.
When a company's problems are aired in the public domain; it takes a long time to address any shortcomings.