Ooh, hearing your inspirations a lot of it clicks together. Very interesting to hear all of this, I'm glad I asked.
It is a niche to be explored, and if you like it, it probably is a zone you should venture in your journey. I'll certainly be curious to see how you continue evolving in this philosophy, as it is one difficult to balance, and hard to sell to players used to blowing up 500 things on the screen every second. As opposed to crazy action or stillness, finding what is the balance for a serene action game.