The "secret alt method" is cool, don't get me wrong, and you should leave it there, it's a "personal ester egg", people that are looking for a PT experience already had it and it's perfect as it is, they wouldn't even know that this solution exists just because they are following a walkthrough, just like me, and if they want more they will be delighted to know that there is "something more" for them if they pay attention. For others, they just want to see the ending, even the people that doesn't have a mic, and I fall in the last group sadly, but it doesn't mean that you are doing wrong, ultimately you can do whatever you do with the game, I'm just a guy that can only cross his fingers. I'm having fun trying to figure out the last ending though, it's a bit tedious but seeing progress helps. Looking forward to PT Solid