Exactly… And this is why they haven’t done this.
With that said, come to think of it, the price of a ticket is 150 gold (or 200 runestones, according to the wiki), I think, while the entry to this particular… event is 1000. Thus, 5-7 could have been ‘fair’ price… if that were the point.
Otherwise, for an analysis how bad this deal usually is, one could watch some of these, for instance: https://www.youtube.com/@OldGuardian/search?query=heroic%20tavern%20brawl.
Ironically, this one is an exception if one wants that skin for some reason, but that is by mistake on Bli$$ard’s part. 