Personality test is only a very small part of the test - completed on line in your own time in the week prior to going to Doha. That alone actually takes about 2 hours.
The main part of ADApT selection is "Aptitude testing'. I have no issue with the personality testing as long as the employer uses the results responsibly.
Aptitude testing pilots who have demonstrated there aptitude on a daily basis over years and also been tested many many times by relevant authorities with a proven standard is a different matter.
Who are ADApT? Why is their test a better indicator than your last LPC? Or all those difficult flying tests and IR we all worked hard for years ago.
We have enough hoops to jump through during a career in aviation without providing jobs for psychologists and ex military aircrew who want to create a business at our expense.
Again just my opinion