Seeing as he associates with Del Toro, a fat reddit tier director who thought that JRR Tolkien was too much of a catholic(despite being the original director of the Hobbit) and makes degenerate films such as the Shape of Water, Kojima would probably ruin Silent Hill. Silent Hill is not coming back until Konami goes belly up and even then it will likely be about as good as every game not made by Team Silent.
Silent Hill cannot be replicated by Indie developers. Making a shitty PS1 looking horror indie game is one thing, being as revolutionary as silent hill was on an indie budget is near impossible. To simply match the caliber of SH2(Which isn't enough, SH is supposed to constantly push boundaries, not merely conserve them) they would need a massive budget for sound design, voice acting, they would need to come up with a compelling story, which seems easy on paper but really isn't. The Golden age of PS2 horror games isn't coming back. Plus, modern audiences aren't really capable of playing a game like Rule of Rose, Fatal Frame or SH2 anyway.