It does mention "It is likely that the concentration of guaiacol in Isley whiskies is even higher.", since Islay whisky often uses peated malt, won't at least s

It does mention "It is likely that the concentration of guaiacol in Isley whiskies is even higher.", since Islay whisky often uses peated malt, won't at least some of it be coming from the malt. As far as I understand, they don't treat the casks differently to other distilleries.