And that’s pretty much what Palestine Action did

Not quite.

three protestors from the group "stormed, scaled and occupied" an APPH drone factory in Runcorn.[33] Activists daubed red paint on the exterior, dismantled drone and aircraft machinery and destroyed windows

(...)

In January 2024, Palestine Action vandalised an office of the logistics company Kuehne + Nagel in Milton Keynes by smashing windows and spraying the building with paint

(...)

In May 2024, Edinburgh Palestine Action activists targeted a Leonardo factory in Crewe Toll (...) a spokesperson for the group saying, "In the early hours of Tuesday 28th May [2024], a group opened the box of cables, cut the internet wires, sprayed expanding foam inside the box

(...)

October 2024, Palestine Action targeted a factory in Bromborough, Wirral Peninsula, a producer of F-35 fighter plane (...) The action consisted of breaking through the roof and spraying red paint into cleanrooms, with a manager for Teledyne allegedly claiming "damage to the clean rooms could halt production for up to 12 months

They did proper sabotage as well.

In June 2025, members of Palestine Action gained access to RAF Brize Norton on electric scooters and used "repurposed fire extinguishers" to spray red paint into the engines of two Royal Air Force Airbus A330 MRTT refuelling planes

I think it's also worth noting that this is the stupidest possible way of protesting against Israel and pro-Palestine. There are SO MANY weapons suppliers all over the place... But more importantly, Israel can do fine with domestic production when fighting Hamas/Hezbollah. They need external supplies for fighting Iran, sure, but this was all before that happened.