The conversation on Twitter around this issue was found to be led by a
number of key accounts identifying as taxi drivers, but some of which
appear to be automated. The creation of hashtags and memes designed to
question Uber's safety record points to a sophisticated astroturfing
operation.
How black cabbies wage a social media war against cyclists, Uber:
https://mikehind.co.uk/podcast/2017/10/13/episode-4-uber-and-the-taxibots