Inevitably I have to talk in the round as this is a worldwide platform and Insurance varies from one Country to another, and in the US from one State to another.
Generally
The Uber etc market seems much simpler in that there seems more useful cover provided by these companes and the type of vehicle used is much more normal, for example not too many exotic vehicles being used for Uber, if any.
ABB provide a little bit of liability cover in the way of the Insurance, and the Host Guarantee.... The Liability Insurance is hardly significant and the Host Guarantee is an unknown as many posts on here show. As an Underwriter not sure I would take either into account in either pricing or deciding to cover this market.
I can also see that there can be no standard response forom the Insurance Market to STR's as there is no standard AirBnB listing.
I do not know about your individual situation but I do know that the details can be confused in transmission and that insurance is not a logical business.
David