It's a rare edge case that slipped through because the circumstances to cause it are obscure, from the description it was a minor bump and the software was updated to try and ensure it doesn't happen again - and it probably won't.
Testing for things like this is difficult but looking at the numbers from these projects testing is going incredibly well and we're likely to see moves towards legal acceptance soon
You're making up a lot of stuff, Xerox had a gui UI for a whole decade before apple and they certainly weren't the only ones.
The MP3 player they made was literally just a feature limited version of already popular devices. I got my arcos a year before the first apple device was released and it had every single feature that apple would slowly add in every new expensive version over the next decade
Apple does hype and marketing, that's their innovation - taking a feature restricted version of a technology and getting celebrities and media idiots to pretend it's the best thing in the world and actively ignore or discount the many better options.