They over thought it.
Shouod uave been 80% in game static building, with all doors and a few “breach” point walls as destructible l. And dont do a haed reset, just use spawn timer. Thus once you breach younhave about 15 mins before walls go back up (replicates repairing). Then it would super easy to replicate. The while base being destructible is over kill, as most wont waste the mats to level the whole thing.
Dont forget, there were destructible meshes in game along time ago. Tents, cheats, etc. They removed them in optimization a while back.