My hypothesis is that this is a combination of old money and class consciousness. In other words, the rich are risk averse because all they care is preserving their wealth and the working class don’t believe and can’t even imagine that more is possible.
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"At present the CAA do not allow for these types of flights as there has to be some degree of collision avoidance in that the aircraft must be kept in visual line of sight at all times to avoid a collision.
The CAA does not regulate the use of drones indoors and there is a short section on indoor use at the following web page, about ½ way down the page.
https://www.caa.co.uk/Consumers/Unmanned-aircraft/Recreation..."
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As if a search and rescue, or crop monitoring drone would be useful inside a building, complete madness.