4 ms·

Drones are cheap & reliable. Vs. blimps, balloons, and such have repeatedly proven themselves quite fragile.

• inigyou 3mo ago
  Quadcopters, you mean? They are cheap, and reliable enough given that they are cheap, but that's all.
  • tencentshill 3mo ago
    Cheap while China allows them to be cheap.
    • inigyou 3mo ago
      True, but that's true of everything. Western countries willingly forgot how to manufacture stuff.