Mergers require one set of directors/founders to no longer be their own bosses after years of hard work can't see that happening voluntarily without a lot of squabbling.
Just think all those different formats of listings and facilities, migrating all those listings from one site to another, sounds very expensive.
What is required is an aggressive takeover over of a number of smaller venues by a large one.
There is probably only one who could do that, the dark one who we are having a field day over hating
That would increase their power, onwards and upwards