First, these are intended to be "loyal wingman". They'll be commanded (but not really remotely controlled) from manned fighters nearbyish. Presumably, the "shoot authorization" will be delegated down to the pilots.

Secondly, the actual unmanned platform (the Kratos Valkyrie) is also part of a program of record for the USMC (US Marine Corps) to act as a partner SEAD (suppression of air defence) vehicle.

Thirdly, the "MARS" system chattered about looks to be Airbus' open architecture /system of systems pitch that they were developing for FCAS (the European 6th generation fighter program). MARS and all pitches like it are about ways to make individual platforms as software defined as possible, and to get different platforms/instances to really data/function share as much as possible.

If this program goes well, it shows that Airbus' MARS has the flexibility and capability required to just... layer into/ontop of some random other vendor's hardware/software and then "just work". I think it would be major demonstration/validation of the work.