Brushed aluminum alloy had been around far longer than the M series, and that's where the similarities end.
Apple's iphone 6/6+ were natural design choices and a result of evolution. Think about it: Apple couldn't get away with using the exact same design for the iphone 6/6+.
Apple and HTC have a licensing pact in place and best believe
if real similarities existed HTC wouldn't hesitate to sue Apple.
Let's not confuse Apple/HTC design with the outright obsession Samsung has with Apple as legally documented around the world and confirmed in court over trade dress.
*looks at S6 pictures*
Is it me or is that a five inch phone???
*looks at S6 pictures again*
Wait..... y'all realize this means 5 inches is the new flagship design right? I'M PARTYING as we speak. Someone pull up the party gifs. Samsung's Apple obession set to the side for now, that device looks great. This bodes well for one handed use of 2015 smartphones. I hope Sony and LG take this to heart and plans accordingly.