XL or XXL?

Size is important!  What is more important is getting it right.  
Yesterday I bought a cheap (in M&S mark you) pullover.  The size claimed to be XL which would suit my feeble frame.  Once home I tried on this made in Bangladesh bargain t be reminded that what is 'XL' in Bangladesh is either 'L' or 'M' here!  I hobbled back today and exchanged for an 'XXL' size which in fact just does the job, however a 'XXXL' which was there yesterday might have been a better option.
Why don't things fit?  I am convinced that in the past things fitted better.  Of course cynics might say that is because my mum was buying for me however for fifty years I have bought for myself and things these days do not fit like they used to.  For a start there are different measurements to watch out for, M&S leg lengths come in 29, 31, & 33, while other folks are 30, 32, 34, which appears to me to make more sense, maybe there is a reason for this?
That aside the decision to outsource all clothing to the far east has seen a decrease in standards and all the main shops do this and then charge very high prices for their goods.  The sweatshop workers I am sure are happy to earn a few coins making clothes that are too big for them while the bosses line their pockets but not as well as the directors of our main street stores are doing I suspect.  'Primark' appears to be the only shop that sells similar goods at cheap prices and they still make a vast profit, where are the others going wrong?  Don't mention quality that varies little in my view.  
Sad to say that when 'XL' shirts are tight this means these things are shrinking after each wash or while hanging up in the cupboard they shrink even more, I wonder why...

Lucky for me all this is enabled by the Free Bus!  The council installed one of those shopping centres that specialise in 'Outlets' for big companies, outlet being another word for 'stuff that didn't sell.'  This would be useful if such folks reduced the prices to a sensible level however this does not happen.  'Levis' (or Wrangler) were things we used to wear constantly, either jeans or cords.  I wore such for thirty years yet today I cannot afford them and go for Tesco (far east) cheap ones, if they have any that fit!  The Levi shop here offers bargains such as 'Two Pair for £99!'  They appear to think this a bargain!  What gets me is that this shop has been doing this for several years and is still going strong, who is buying such bargains?  OK many of these shops are 'loss leaders' but even so someone is buying and considers themselves lucky to obtain bargains!  
Me, I'm going to look again at Tesco clothing....