Some would see that as an admirable example of a small government not overstepping its bounds.
The local sheriff doesn't have the authority to shoot down aircraft? And doesn't exceed their authority by shooting them anyway? Good job local sheriff.
The FAA has a handful of drone regulation folks? Nowhere near enough for a 24/7 national quick response drone tracking force? Very restrained and cost-conscious, good job FAA.
Congress hasn't authorised the military to spend taxpayer money on a national anti-drone-swarm defence system, and nobody's spent taxpayer money without authorisation? Sensible, we don't need bureaucrats funding their pet projects on the taxpayer's dime.