It took a suspiciously long time to put wheels on suitcases.
The technology was surpressed by 'big baggage' trolley companies at the airport.
I saw it on YouTube.
Even more so these things would have to be organised by governments that seeming struggle to organise anything else effectively.
I mean can we really imagine Boris being conpmicit in some world wide cover up without buggering the whole thing up??
I think the psychology of conspiracy theories is a feeling of superiority over the sheeples.
Those Facebook sites have lots of memes about how great they feel when another 'conspiracy theory' comes true and how the doubters are shown up.