" I am talking about Blu-Ray. Since mid 2000's the only way to watch a 1080p signal was to use a Blu-Ray Player. I do not think the recent poster as actually viewing any 1080p programming through the new cable-box yet."
Sorry but there have been many ways to watch a 1080p signal in the last 10 to 15 years.
Every version of the Apple TV, Roku, Amazon TV and many Android STB's have all supported playing video both streamed over the internet and over your local network from a server. For at least 5 years I have been streaming full uncompressed 1080P video files sourced from my BluRay's including the high Def audio tracks (TrueHD and DTS MA HD) via a number of devices. My current best of breed is the Nvidia Shield TV. But I am planning on picking up the 4K Apple TV. 1080p has also been available as an over the air broadcast for quite a number of years, 10 at least. So you are way off in stating BluRay is the only way to get a 1080P image to your set.
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I get 300Mbps on my Wireless at home because i have an AC1700 router. And i get numerous 4K services via my wifi. There is nop such thing as 8K yet with the exception of companies showing off at CES Las Vegas. And you don't need a monster cable you need highspeed cables and more than likely you will need the next HDMI standard because rather than giving their customers a break companies are more interested in making sure you have to upgrade multiple items at once. But the most I have spent on cables over the past 10 years are about $10 each via monoprice. And if you are not getting cables there than any huge price you are paying for yours are on you.
So before you start telling others what will and will not work you may want to do little research first.
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