Banana software
Delivered green to ripen at the customers', who have agreed to do the testing according to the small print in the manual. Ever since computing has become cheap enough to replace dedicated hardware, customers demanding replacements under warranty get told that their problems will be solved "in the next update" until their warranty expires.
Hacked or open source software is available for more and more devices, so whenever I have the choice I go for those products which have already been hacked - no problems with updates anymore, the open source community is far better than any company.