the Isreali government has a long and increasing history of systematic oppression of palestinian people, both inside and outside of the occupied palestinian territories. https://www.amnesty.org/en/location/middle-east-and-north-africa/israel-and-occupied-palestinian-territories/report-israel-and-occupied-palestinian-territories/
The entire exeption, and the broader exclusionary rule, is based around the self-evidently incorrect assumption that what happens in court will effect behaviour of investigators.