it's really awesome that you've already had two playtesters! this is two more than most prototypes will have sometimes haha. i also appreciate you documenting your experience with your playtesters, especially the feedback that was harsh and especially crit like "this isn't really my thing." taking crit and taking notes on playtesting are both related and important skills for game dev. creative works will always have a target audience and sometimes you have to understand when people giving you crit aren't you feedback relevant to your goals or intended audience. even if it is super nerve-wracking, being able to observe playtesters in person is actually the best way to receive feedback. for some games, the feedback that you need most sometimes comes from watching how people interact with a game, how long it takes them to figure something out, or seeing what decisions they make.
also i definitely think your style of documenting your game is really great--documenting your process helps you see what you did well and can do in the future or what you need to change. in a way it's almost like you've got a running post-mortem. your frustrations and triumphs are all very well notated. keep up the great work!