"I agree. As far as I'm aware, trans women don't tend to hang around together like that"
Well that depends. In many countries, they most certainly do.
Here's exactly that sort of thing happening in Indonesia.
coconuts.co/jakarta/news/waria-power-group-transgender-women-jakarta-catch-turn-alleged-thief-police-video/
" - the whole point, surely, is that you see yourself as a woman and therefore you spend time with women. "
Well we don't know that, do we? They might identify as any of a number of things.
The problem is that the trans lobby has decreed that 'transwomen are women', and that's the final ruling.
However clearly some would prefer to identify as 'transwomen', or as 'transvestites', or any number of other things.
It's not a given at all that they identify as women. In Thailand they would identify as 'ladyboys', which is separate from either men or women.
This sort of magic where suddenly you are a woman if you say so is a rather specific brand of Western liberalism.
"It seemed much more likely to me that they were a bunch of blokes dressed up as women for the bantz or perhaps as a deliberate disguise. This makes it even sillier for LBC to refer to them as women."
The POLICE are describing them as women. It would be wrong for LBC to go against that.
Note that the source is 'thestreetblogs' on instagram, which is currently private but doesn't look like the sort of place to be politicaly correct.