Clause 7 specifically authorises the company to seek compensation from indivdiuals if it is deemed IA. Lets say you miss a duty for some reason and cause a delay or cancellation of a flight. Company deems it IA(at their discretion). They can then sue you to recover the lost money because you have agreed that they can by agreeing to clause 7. If they can show the delay costs $1m then they will happily spend $10m to get that $1m from you.
Also, under the TA, ARAPA will be dead by 30 Jun 18 if the company decide that the "Trial" is unsatisfactory(which they will)