Across the industry will have a variety of different odds providers, and some even will price it in-house. All bookmakers were offering prices in the vicinity of the 2.23 I took last night, and the 1.84 I took this afternoon. Oddsportal testifies to that. So what ... every single odds provider got the odds the wrong way round, did they? Clearly not.
Anyway, that is the reason they gave.