You know pretty much every single whisky is a blend, unless you buy a single barrel, cask strength bottle from an independent bottler such as the scotch malt whisky society.
Excuse me if you all know this, but every whisky distillery employs a master blender, whose job it is to make sure every bottle tastes the same.
Take a "Single malt" from Bowmore for example.
It is a nice combination of peat, sea spray, toffee and dried fruit.
Now let's say one year the wind doesn't blue from the sea, and the grain doesn't get any saltiness. The whisky tastes different, so the blender gets a bottle from the previous year, that was too salty, mixes then together and tastes again. It's close, but missing toffee. The toffee comes from aging, so he grabs a 20 year barrel and adds 10%.
There's still a lack of fruit, so he finds a sherry cask and users some of that too. Now it's perfect.
But it's a blend.
The best whisky I ever tried was a 40 year old whyte and mackay blend. In order to be called 40 years old, no whisky can be less than this. Apparently, chatting to the master blender, most of the whisky in it is 45 years old.
It was £250 a bottle.
While tasting it with Richard (Patterson - the master blender for whyte and mackay) he mentioned a 30 year old he put together. There was a mix up with the labelling and someone added 10% of what was labeled as a 30 year barrel, but contained 8 year old whisky.
It had to be sold then as 8 years old, and 250 bottles of whisky that were supposed to be sold at £150ish were sold at £12 instead. And it was supposed to be stunning.
There are some awesome blends, and some awful 'single malts'. If you like drinking it, who cares where it was born.