For Irish renters, things are going from bad to worse. Rents are high and rising, but arguably even worse is the shortage of homes on offer. Earlier this week, Ronan Lyons wrote that on August 1, the number of homes available to rent was one-fifth of the level of 2015-2019 (a time when rents were rising, by the way).  You might expect Ireland’s biggest residential landlord to have done well out of all the carnage. Indeed, in its pitch deck to investors, it highlights the supply/demand mismatch in Ireland.  But as it happens, IRES shareholders haven’t benefited from the rental…