In the last couple of years the Sale of Goods Act protections were weakened as part of bringing us into line with Europe. It's now been replaced by the Consumer Rights Act which although clearer gives fewer rights to refund from the seller.

Note it's the retailer rather than manufacturer who is liable, so we have much more confidence that what we buy is "of merchantable quality", safe and legal to sell. Quite a number of HN threads have made this advantage clear.